Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 4,5-dimethyl-2-(1H-pyrrol-1-yl)thiophene-3-carboxylic acid?
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Sourcing 4,5-dimethyl-2-(1H-pyrrol-1-yl)thiophene-3-carboxylic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
This compound is a chemical compound used as an acid dye for textiles. It features a thiophene ring substituted with methyl groups and a pyrrole moiety, along with a carboxylic acid functional group.
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 4,5-dimethyl-2-(1H-pyrrol-1-yl)thiophene-3-carboxylic acid (CAS 60181-77-3) is 3204.12.
3204.12
3204 12 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4,5-dimethyl-2-pyrrol-1-ylthiophene-3-carboxylic acid
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