(R)-Phenylglycine Free Acid

The free acid form of D-phenylglycine, a critical chirality center for beta-lactam synthesis. HTS 2922.49.0500 explicitly names this aromatic α-amino acid. Supplied as white crystalline powder with high enantiomeric excess.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2940.00Lower: 15.8% vs 35%

If converted to sugar ester derivative

Sugar esters of amino acids specifically provided for in 2940

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Import Tips & Compliance

Chiral HPLC certificate mandatory showing ee >99%

Microbial limits testing required for pharma intermediate qualification

Store below 25°C; validate polymorphic form stability