Ethyl Phenothiazine-2,4,1-Carbamate API Precursor
GMP-manufactured ethyl (1H-phenothiazin-2,4,1)carbamate serving as precursor for phenothiazine-based active pharmaceutical ingredients. Precisely matches HTS 2934.30.18.00 structural requirements for unfused phenothiazine carbamates. Packaged in 25kg fiber drums with nitrogen blanket.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing organo-sulfur impurities >1%
Organo-sulfur compounds exceeding purity thresholds classify under heading 2930 per Chapter notes.
If nitrogen-function dominates over ring system
Compounds where nitrogen functions (not nitro/nitroso) are principal characteristic fall under heading 2929.
If imported as diagnostic laboratory reagent kit component
Diagnostic reagents containing organic compounds are specifically directed to heading 3822.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Obtain FDA Drug Master File (DMF) reference number prior to import for seamless clearance
• Validate supplier's GMP certification through FDA database to prevent import alerts
• Conduct stability testing documentation for trans-Pacific shipping durations
Related Products under HTS 2934.30.18.00
Ethyl (1H-Phenothiazin-2,4,1)carbamate
A chemically defined heterocyclic compound containing a phenothiazine ring-system with an ethyl carbamate substituent at the 2,4,1 position. This compound falls under HTS 2934.30.18.00 as it matches the specific chemical structure described in the subheading for phenothiazine ring-system compounds not further fused. It is typically used as a pharmaceutical intermediate in organic synthesis.
Ethyl Phenothiazinyl Carbamate Pharmaceutical Intermediate
High-purity ethyl (1H-phenothiazin-2,4,1)carbamate produced specifically for use in antipsychotic and antihistamine drug synthesis. Classified under HTS 2934.30.18.00 due to its precise phenothiazine ring structure with ethyl carbamate moiety. Supplied as white to off-white powder with stabilizer for transport.
PhenoCarb-Ethyl™ Research Grade Phenothiazine Derivative
Research-grade ethyl (1H-phenothiazin-2,4,1)carbamate supplied in 1g-100g quantities for medicinal chemistry and SAR studies. This specific isomer fits HTS 2934.30.18.00 due to its defined phenothiazine-carbamate structure. Includes certificate of analysis verifying >99% HPLC purity.