3-Aminocrotonic Acid Methyl Ester Hydrochloride Salt
The hydrochloride salt of 3-aminocrotonic acid methyl ester, classified with the parent ester under HTS 2922.49.60.00 per chapter note 3(C)(1). This stabilized form is commonly used in pharmaceutical manufacturing to improve handling and solubility. It maintains the amino-ester oxygen function characteristic of heading 2922.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered a substituted guanidine derivative
Certain amino-nitrogen compounds with guanidine structure classify under 2923.
If purity <95% and imported as chemical preparation
Mixtures/preparations below chemical compound purity threshold go to 3824.
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Import Tips & Compliance
• Declare salt content percentage; classified with parent compound but affects purity calculations
• Ensure pH stability documentation for salt form during customs valuation
Related Products under HTS 2922.49.60.00
3-Aminocrotonic Acid Methyl Ester
3-Aminocrotonic acid methyl ester is a chemically defined organic compound featuring both amino and ester oxygen functions, specifically listed under HTS 2922.49.60.00. It serves as a key intermediate in organic synthesis, particularly for pharmaceuticals and agrochemicals. This product falls under heading 2922 as an amino-acid ester with a single type of oxygen function.
(R)-α-Amino-1,4-Cyclohexadiene-1-Acetic Acid
(R)-α-Amino-1,4-cyclohexadiene-1-acetic acid is a chiral amino acid derivative explicitly named in HTS 2922.49.60.00, featuring amino and carboxylic acid oxygen functions. Used primarily in synthesis of enantiopure pharmaceuticals and fine chemicals. Classified here as an amino-acid other than those with multiple oxygen functions.
(R)-α-Amino-1,4-Cyclohexadiene-1-Acetic Acid Sodium Salt
Sodium salt form of (R)-α-Amino-1,4-cyclohexadiene-1-acetic acid, specifically provided for under HTS 2922.49.60.00 following chapter note 3(C)(1) for inorganic salts of organic acids. Used in biotech applications requiring water-soluble amino acid derivatives. Retains classification as the named amino-acid salt.
High Purity 3-Aminocrotonic Acid Methyl Ester ≥99%
Pharmaceutical-grade 3-aminocrotonic acid methyl ester with ≥99% purity, explicitly named in HTS 2922.49.60.00. Supplied with stabilizer for safe transport per chapter note (f). Critical intermediate for H1-receptor antagonist synthesis.