Safety Reference
Danger
H301Toxic if swallowed
H315Causes skin irritation
H319
Sourcing Pemetrexed acid?
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6-(2,3-Difluorophenyl)-9-((triisopropylsilyl)oxy)-6,7,8,9-tetrahydro-5H-cyclohepta(b)pyridin-5-amine dihydrochloride, (5S,6S,9R)-
pharmaceutical intermediate
Sourcing Pemetrexed acid?
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Pemetrexed acid is a chemical compound that serves as a key intermediate in the synthesis of pharmaceutical agents. It features a benzoic acid moiety linked to a pyrrolopyrimidine core, which imparts structural properties relevant to pharmaceutical manufacturing.
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.
The international HS code for Pemetrexed acid (CAS 137281-39-1) is 2933.59.
2933.59
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.
4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid
AIZPFZIKHIJCQX-UHFFFAOYSA-N
C1=CC(=CC=C1CCC2=CNC3=C2C(=O)NC(=N3)N)C(=O)O