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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied with cyclic polymer stabilizer
Additives creating cyclic structures may trigger reclassification under heading 2932 exclusions.
If pre-mixed with immunological buffers
Immunological product mixtures containing organic compounds are excluded to Chapter 30 per Chapter 29 notes.
If the carbamate ester dominates chemical identity
Saturated acyclic carbamate esters classify under heading 2915 oxygen-function compounds.
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Import Tips & Compliance
• Declare as 'research chemical - not for medicinal use' to qualify for lower documentation burden
• Small package exemption may apply for quantities <100g; verify with CBP before shipment
• Include SDS and handling instructions to prevent classification as dangerous goods
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.
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.