Fluorenylmethyloxycarbonyl Chloride (Fmoc-Cl)
9-Fluorenylmethyloxycarbonyl chloride (Fmoc-Cl) is a protecting group reagent for solid-phase peptide synthesis, classified under HTS 2942.00.50.00. This chloroformate derivative features a fluorenyl protecting moiety.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| ๐จ๐ณChina | 3.7% | +25.0% | 28.7% |
| ๐ฒ๐ฝMexico | 3.7% | โ | 3.7% |
| ๐จ๐ฆCanada | 3.7% | โ | 3.7% |
| ๐ฉ๐ชGermany | 3.7% | โ | 3.7% |
| ๐ฏ๐ตJapan | 3.7% | โ | 3.7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified purely as chloroformate of primary alcohols
Chapter note 5(E) classifies chloroformates with parent alcohol under heading 2909.
If considered cyclic ester derivative
Complex cyclic structures may classify under heading 2914 oxygen-function compounds.
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
โข Ship in amber glass with argon backfill; include photostability data for customs
โข UN 2745 chloroformate declaration with 24-month shelf life documentation
โข Reference pharmacopeial grade (USP/EP) specifications if applicable
Related Products under HTS 2942.00.50.00
Anhydrotetracycline Hydrochloride
Anhydrotetracycline hydrochloride is a chemically defined organic compound derived from tetracycline antibiotics, classified under HTS 2942.00.50.00 as 'other' organic compounds not specifically covered elsewhere in Chapter 29. It contains complex heterocyclic structures with nitrogen and oxygen functions, fitting the chapter's scope for separate organic compounds.
N-Acetyl-DL-tryptophan
N-Acetyl-DL-tryptophan is an acetylated derivative of the amino acid tryptophan, classified under HTS 2942.00.50.00 as an 'other' organic compound. This synthetic amino acid derivative features both amine and carboxylic acid functions with an indole ring, falling outside specific amino acid headings.
6-Aminopenicillanic Acid
6-Aminopenicillanic acid (6-APA) is the core nucleus for semi-synthetic penicillin antibiotics, classified under HTS 2942.00.50.00 as 'other' organic compounds. This beta-lactam compound serves as a key pharmaceutical intermediate with a characteristic four-membered ring structure.
Saccharin Impurity A (o-Sulfamoylbenzoic Acid)
o-Sulfamoylbenzoic acid, known as Saccharin Impurity A, is a key intermediate in saccharin synthesis and a chemically defined organic compound under HTS 2942.00.50.00. It features both sulfonic acid and carboxylic acid functionalities on a benzene ring.
4-Nitrophenyl Chloroformate
4-Nitrophenyl chloroformate is a reactive chloroformate ester used in peptide synthesis, classified under HTS 2942.00.50.00 as 'other' organic compounds. This compound features both nitroaromatic and chloroformate functionalities essential for bioconjugation applications.
Benzoyl Peroxide (Pure)
Benzoyl peroxide in pure form (>98%) is classified under HTS 2942.00.50.00 as an 'other' organic peroxide not covered by specific bleaching agent provisions. This diacyl peroxide serves as a free radical initiator in polymer chemistry.