C14H18N4O3
290.32 g/mol
APIDanger
Trimethoprim
CAS738-70-5EC212-006-2
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Trimethoprim is an antibiotic compound used as a veterinary antimicrobial agent. It exhibits a broad spectrum of antimicrobial activity and is commonly used in combination with sulfamethoxazole to target urinary and systemic pathogens.
Veterinary antimicrobial agentPharmaceutical manufacturing raw material
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.77
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5-(3,4-Dimethoxybenzyl)pyrimidine-2,4-diamine hydrochloride
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SimilarStructure SimilarSimilarity 0.72
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Bempedoic acid
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pharmaceutical raw material
Referencestereoisomer of
5-({3,5-Dimethoxy-4-[(²H₃)methyloxy]phenyl}methyl)pyrimidine-2,4-diamine
CAS1189923-38-3
research compound
Safety Reference
Danger
H302Harmful if swallowed
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H301Toxic if swallowed
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H373May cause damage to organs through prolonged or repeated exposure
H401Toxic to aquatic life
Customs Tariff Classification
The international HS code for Trimethoprim (CAS 738-70-5) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine
InChIKey
IEDVJHCEMCRBQM-UHFFFAOYSA-N
SMILES
COC1=CC(=CC(=C1OC)OC)CC2=CN=C(N=C2N)N
Synonyms (169)
- Trimethoprim (JAN/USP/INN)
- Trimethoprim for system suitability, European Pharmacopoeia (EP)
- Trimethoprim, British Pharmacopoeia (BP)
- Trimethoprim, European Pharmacopoeia (EP)
- Trimethoprim, United States Pharmacopeia (USP)
- Trimethoprime [INN-French]
- Trimethoprimum [INN-Latin]
- Trimetoprima [INN-Spanish]
- 2w9h
- 3fl9
- 3n0h
- 3s3v
- 4km2
- Abaprim
- Alcorim-F
- Anitrim
- Antrima
- Antrimox
- B-Lock
- BW 56-72
- Bacdan
- Bacidal
- Bacide
- Bacin
- Bacta
- Bacterial [Antibiotic]
- Bacticel
- Bactifor
- Bactoprim
- Bactrim (Salt/Mix)
- Bencole
- Bethaprim
- Biosulten
- Briscotrim
- COTRIM COMPONENT TRIMETHOPRIM
- Chemotrin
- Co-Trimoxizole
- Colizole
- Colizole DS
- Conprim
- Cotrimel
- Deprim
- Dosulfin
- Duocide
- Esbesul
- Espectrin
- Euctrim
- Exbesul
- Fermagex
- Fortrim
- Futin
- Ikaprim
- Infectotrimet
- Instalac
- Kombinax
- Lagatrim
- Lagatrim Forte
- Lastrim
- Ledatrim
- Lescot
- Metoprim
- Monoprim
- Monotrim
- Monotrimin
- NIH 204 (VAN)
- Novotrimel
- Omstat
- Pancidim
- Proloprim
- Proloprim (TN)
- Proloprin
- Protrin
- Purbal
- Resprim
- Resprim Forte
- Roubac
- Roubal
- SEPTRA COMPONENT TRIMETHOPRIM
- Salvatrim
- Septrin DS
- Septrin Forte
- Septrin S
- Setprin
- Sinotrim
- Smz-Tmp
- Stopan
- Streptoplus
- Sugaprim
- Sulfamar
- Sulfoxaprim
- Sulthrim
- Sultrex
- Syraprim
- TRIMETHOPRIM [MART.]
- Tiempe
- Tmp Smx
- Toprim
- Trimethioprim
- Trimethoprim & VRC3375
- Trimethoprim (Standard)
- Trimethoprim CRS
- Trimethoprim RS
- Trimethoprim(TMP)
- Trimethoprim, >=98% (HPLC)
- Trimethoprim, VETRANAL(TM)
- Trimethoprime
- Trimethoprimum
- Trimethopriom
- Trimetoprim
- Trimetoprim [Polish]
- Trimetoprima
- Trimexol
- Trimez-IFSA
- Trimezol
- Trimogal
- Trimono
- Trimopan
- Trimpex
- Trimpex (TN)
- Trimpex 200
- Triprim
- Triprimix 200
- Trisul
- Trisulcom
- Trisulfam
- Trisural
- U-Prin
- Uretrim
- Uro-D S
- Urobactrim
- Utetrin
- Velaten
- Wellcoprim
- Wellcoprin
- Xeroprim
- Zamboprim
- component of Bactrim
- component of Septra
- trimethoprim
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