October 2021 — Question 46
What is the CLASSIFICATION and DUTY RATE of D-Aspartic acid (CAS #1783-96-6)? D- Aspartic acid is an amino acid used as a pharmaceutical intermediate. (Note: Prefixes such as D, I, L, S, O, M, P, etc., refer to various isomeric differences in chemical products.)
- A2922.49.4915, HTSUS, at a duty rate of 4.2%
- B2922.49.4915K, HTSUS, at a duty rate of Free
- C2922.49.4950, HTSUS, at a duty rate of 4.2%✓ CBP's answer
- D2922.49.4950K, HTSUS, at a duty rate of Free
- E2922.49.8000, HTSUS, at a duty rate of 3.7% Category IX-Anti-Dumping/Countervailing Duties
CBP's cited authority
§ HTSUS 2922.49.4950§ GRI1§ General Note 13§ Tables 1§ 2§ &3 of the Pharmaceutical Appendix
Answer and citations as published in CBP's official answer key for the October 2021 examination.
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