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Commodity code · Chapter 29

29349990 — Nucleic acids and their salts, whether or not chemically defined; hete

Commodity code 29349990 covers nucleic acids and their salts, whether or not chemically defined; heterocyclic compounds (excl. with oxygen only or with, within HMRC chapter 29 (organic chemicals). 507 UK businesses filed customs declarations against this code in the last six months, across 64 counties and 201 towns.

Refreshed every 24 hours · last run 25/08/2026 at 07:39HMRC release in view: Jun 26Snapshot: 2026-08-25.1

507Businesses trading
64Counties
201Towns
15,507Import declarations

Counties trading under 29349990

Where the businesses using this commodity code are based.

Greater London

25 towns
103 businessesView →

Cambridgeshire

10 towns
66 businessesView →

Oxfordshire

4 towns
35 businessesView →

Aberdeen City

1 town
32 businessesView →

Greater Manchester

9 towns
20 businessesView →

Essex

11 towns
18 businessesView →

Cheshire

7 towns
16 businessesView →

Surrey

9 towns
15 businessesView →

Hertfordshire

8 towns
14 businessesView →

Berkshire

6 towns
9 businessesView →

West Yorkshire

7 towns
9 businessesView →

Hampshire

6 towns
9 businessesView →

Bristol

1 town
8 businessesView →

County Durham

6 towns
8 businessesView →

North Yorkshire

5 towns
7 businessesView →

Glasgow City

1 town
7 businessesView →

Merseyside

4 towns
6 businessesView →

City of London

1 town
6 businessesView →

Tyne and Wear

2 towns
6 businessesView →

Kent

3 towns
5 businessesView →

Nottinghamshire

2 towns
5 businessesView →

Midlothian

1 town
5 businessesView →

Suffolk

3 towns
4 businessesView →

Bedfordshire

2 towns
4 businessesView →

Businesses importing under 29349990

The most active 3 of 507. Log in to see them all.

Most active business

LIFE TECHNOLOGIES LIMITED

Renfrewshire, Renfrewshire 911 import declarations 282 export declarations PA4 *Ch. 05Ch. 17Ch. 21Ch. 22 Active in 6 of the last 6 months

Recent shipments include chemical products and preparations of the chemical or allied industries, incl. those consisting of mixtures of natural products, n.e.s., nucleic acids and their salts, whether or not chemically defined; heterocyclic compounds (excl. with oxygen only or with nitrogen hetero-atom[s] only, compounds containing in the structure an unfused thiazole ring or a benzothiazole or phenothiazine.

▲ Expected to increase by 3.9% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity911 in the last 6 months
LIFE TECHNOLOGIES LIMITED — Jul 24: 151 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Aug 24: 153 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Sep 24: 153 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Oct 24: 139 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Nov 24: 161 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Dec 24: 127 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Jan 25: 152 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Feb 25: 140 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Mar 25: 157 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Apr 25: 150 import declarations (historic)LIFE TECHNOLOGIES LIMITED — May 25: 163 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Jun 25: 159 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Jul 25: 155 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Aug 25: 160 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Sep 25: 172 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Oct 25: 168 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Nov 25: 155 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Dec 25: 154 import declarations (historic)LIFE TECHNOLOGIES LIMITED — Jan 26: 150 import declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Feb 26: 157 import declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Mar 26: 152 import declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Apr 26: 159 import declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — May 26: 145 import declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Jun 26: 148 import declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Jul 26: 161 import declarations (modelled forecast)LIFE TECHNOLOGIES LIMITED — Aug 26: 166 import declarations (modelled forecast)LIFE TECHNOLOGIES LIMITED — Sep 26: 179 import declarations (modelled forecast)
Exports — 2 years of monthly activity282 in the last 6 months
LIFE TECHNOLOGIES LIMITED — Jul 24: 40 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Aug 24: 47 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Sep 24: 42 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Oct 24: 50 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Nov 24: 45 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Dec 24: 59 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Jan 25: 51 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Feb 25: 45 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Mar 25: 55 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Apr 25: 54 export declarations (historic)LIFE TECHNOLOGIES LIMITED — May 25: 50 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Jun 25: 48 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Jul 25: 42 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Aug 25: 51 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Sep 25: 49 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Oct 25: 53 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Nov 25: 41 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Dec 25: 43 export declarations (historic)LIFE TECHNOLOGIES LIMITED — Jan 26: 51 export declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Feb 26: 47 export declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Mar 26: 49 export declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Apr 26: 44 export declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — May 26: 43 export declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Jun 26: 48 export declarations (current 6-month window)LIFE TECHNOLOGIES LIMITED — Jul 26: 40 export declarations (modelled forecast)LIFE TECHNOLOGIES LIMITED — Aug 26: 49 export declarations (modelled forecast)LIFE TECHNOLOGIES LIMITED — Sep 26: 47 export declarations (modelled forecast)
Earlier monthsLast 6 monthsOur forecast for the next 3
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Among the most active

AVOCADO RESEARCH CHEMICALS LIMITED

Heysham, Lancashire 584 import declarations 363 export declarations LA3 *Ch. 13Ch. 17Ch. 21Ch. 22 Active in 6 of the last 6 months

Recent shipments include chemical products and preparations of the chemical or allied industries, incl. those consisting of mixtures of natural products, n.e.s., heterocyclic compounds with nitrogen hetero-atom[s] only (excl. those containing an unfused pyrazole, imidazole, pyridine or triazine ring, whether or not hydrogenated, a quinoline or isoquinoline ring-system, not further fused, whether or not hydrog.

▲ Expected to increase by 5.4% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity584 in the last 6 months
AVOCADO RESEARCH CHEMICALS LIMITED — Jul 24: 105 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Aug 24: 102 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Sep 24: 91 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Oct 24: 100 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Nov 24: 89 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Dec 24: 84 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jan 25: 79 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Feb 25: 74 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Mar 25: 101 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Apr 25: 74 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — May 25: 86 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jun 25: 81 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jul 25: 78 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Aug 25: 89 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Sep 25: 93 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Oct 25: 94 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Nov 25: 92 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Dec 25: 97 import declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jan 26: 86 import declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Feb 26: 108 import declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Mar 26: 95 import declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Apr 26: 107 import declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — May 26: 82 import declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Jun 26: 106 import declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Jul 26: 82 import declarations (modelled forecast)AVOCADO RESEARCH CHEMICALS LIMITED — Aug 26: 94 import declarations (modelled forecast)AVOCADO RESEARCH CHEMICALS LIMITED — Sep 26: 98 import declarations (modelled forecast)
Exports — 2 years of monthly activity363 in the last 6 months
AVOCADO RESEARCH CHEMICALS LIMITED — Jul 24: 49 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Aug 24: 52 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Sep 24: 42 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Oct 24: 57 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Nov 24: 55 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Dec 24: 58 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jan 25: 51 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Feb 25: 56 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Mar 25: 57 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Apr 25: 70 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — May 25: 59 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jun 25: 51 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jul 25: 62 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Aug 25: 61 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Sep 25: 61 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Oct 25: 71 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Nov 25: 65 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Dec 25: 48 export declarations (historic)AVOCADO RESEARCH CHEMICALS LIMITED — Jan 26: 53 export declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Feb 26: 66 export declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Mar 26: 79 export declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Apr 26: 55 export declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — May 26: 55 export declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Jun 26: 55 export declarations (current 6-month window)AVOCADO RESEARCH CHEMICALS LIMITED — Jul 26: 69 export declarations (modelled forecast)AVOCADO RESEARCH CHEMICALS LIMITED — Aug 26: 68 export declarations (modelled forecast)AVOCADO RESEARCH CHEMICALS LIMITED — Sep 26: 68 export declarations (modelled forecast)
Earlier monthsLast 6 monthsOur forecast for the next 3
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Among the most active

GLAXO OPERATIONS UK LTD

Camden, Greater London 681 import declarations 115 export declarations WC1A *Ch. 01Ch. 05Ch. 17Ch. 21 Active in 6 of the last 6 months

Recent shipments include syringes, with or without needles, used in medical, surgical, dental or veterinary sciences, carboys, bottles, flasks, jars, pots, phials and other containers, of glass, of a kind used for the commercial conveyance or packing of goods, and preserving jars, of glass (excl. ampoules, glass inners for containers, with vacuum insulation, perfume.

▼ Expected to slow by 3.1% over the next 3 months, based on their last 2 years
Imports — 2 years of monthly activity681 in the last 6 months
GLAXO OPERATIONS UK LTD — Jul 24: 123 import declarations (historic)GLAXO OPERATIONS UK LTD — Aug 24: 125 import declarations (historic)GLAXO OPERATIONS UK LTD — Sep 24: 119 import declarations (historic)GLAXO OPERATIONS UK LTD — Oct 24: 128 import declarations (historic)GLAXO OPERATIONS UK LTD — Nov 24: 109 import declarations (historic)GLAXO OPERATIONS UK LTD — Dec 24: 104 import declarations (historic)GLAXO OPERATIONS UK LTD — Jan 25: 120 import declarations (historic)GLAXO OPERATIONS UK LTD — Feb 25: 123 import declarations (historic)GLAXO OPERATIONS UK LTD — Mar 25: 119 import declarations (historic)GLAXO OPERATIONS UK LTD — Apr 25: 118 import declarations (historic)GLAXO OPERATIONS UK LTD — May 25: 98 import declarations (historic)GLAXO OPERATIONS UK LTD — Jun 25: 129 import declarations (historic)GLAXO OPERATIONS UK LTD — Jul 25: 135 import declarations (historic)GLAXO OPERATIONS UK LTD — Aug 25: 127 import declarations (historic)GLAXO OPERATIONS UK LTD — Sep 25: 96 import declarations (historic)GLAXO OPERATIONS UK LTD — Oct 25: 113 import declarations (historic)GLAXO OPERATIONS UK LTD — Nov 25: 106 import declarations (historic)GLAXO OPERATIONS UK LTD — Dec 25: 113 import declarations (historic)GLAXO OPERATIONS UK LTD — Jan 26: 106 import declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Feb 26: 120 import declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Mar 26: 92 import declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Apr 26: 126 import declarations (current 6-month window)GLAXO OPERATIONS UK LTD — May 26: 110 import declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Jun 26: 127 import declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Jul 26: 131 import declarations (modelled forecast)GLAXO OPERATIONS UK LTD — Aug 26: 123 import declarations (modelled forecast)GLAXO OPERATIONS UK LTD — Sep 26: 93 import declarations (modelled forecast)
Exports — 2 years of monthly activity115 in the last 6 months
GLAXO OPERATIONS UK LTD — Jul 24: 29 export declarations (historic)GLAXO OPERATIONS UK LTD — Aug 24: 33 export declarations (historic)GLAXO OPERATIONS UK LTD — Sep 24: 24 export declarations (historic)GLAXO OPERATIONS UK LTD — Oct 24: 17 export declarations (historic)GLAXO OPERATIONS UK LTD — Nov 24: 24 export declarations (historic)GLAXO OPERATIONS UK LTD — Dec 24: 25 export declarations (historic)GLAXO OPERATIONS UK LTD — Jan 25: 14 export declarations (historic)GLAXO OPERATIONS UK LTD — Feb 25: 22 export declarations (historic)GLAXO OPERATIONS UK LTD — Mar 25: 32 export declarations (historic)GLAXO OPERATIONS UK LTD — Apr 25: 18 export declarations (historic)GLAXO OPERATIONS UK LTD — May 25: 24 export declarations (historic)GLAXO OPERATIONS UK LTD — Jun 25: 27 export declarations (historic)GLAXO OPERATIONS UK LTD — Jul 25: 20 export declarations (historic)GLAXO OPERATIONS UK LTD — Aug 25: 16 export declarations (historic)GLAXO OPERATIONS UK LTD — Sep 25: 22 export declarations (historic)GLAXO OPERATIONS UK LTD — Oct 25: 16 export declarations (historic)GLAXO OPERATIONS UK LTD — Nov 25: 23 export declarations (historic)GLAXO OPERATIONS UK LTD — Dec 25: 17 export declarations (historic)GLAXO OPERATIONS UK LTD — Jan 26: 18 export declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Feb 26: 22 export declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Mar 26: 22 export declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Apr 26: 19 export declarations (current 6-month window)GLAXO OPERATIONS UK LTD — May 26: 15 export declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Jun 26: 19 export declarations (current 6-month window)GLAXO OPERATIONS UK LTD — Jul 26: 16 export declarations (modelled forecast)GLAXO OPERATIONS UK LTD — Aug 26: 13 export declarations (modelled forecast)GLAXO OPERATIONS UK LTD — Sep 26: 17 export declarations (modelled forecast)
Earlier monthsLast 6 monthsOur forecast for the next 3
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504 more businesses trade under 29349990

Log in to see every business using this commodity code, with contacts, Companies House records and AI research.

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About commodity code 29349990

What goods does commodity code 29349990 cover?

Nucleic acids and their salts, whether or not chemically defined; heterocyclic compounds (excl. with oxygen only or with. It sits in HMRC chapter 29, organic chemicals. Every UK customs declaration carries a code like this one to classify the goods being moved.

How many UK businesses import under 29349990?

507 businesses filed customs declarations against code 29349990 in the last six months, spread across 64 counties and 201 towns, totalling 15,507 import declarations.

Which parts of the UK trade the most under 29349990?

The busiest counties are Greater London (103 businesses), Cambridgeshire (66 businesses), Oxfordshire (35 businesses). Open any county to see the towns and the businesses behind it.