Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: — Salts and esters of tartaric acid:
964585 · 2000-12-15 — (+)-DI-P-Toluoyl-D-Tartaric Acid, CAS #32634-68-7
This is in reference to your letter dated August 28, 2000, to the Director, National Commodity Specialist Division, New York, requesting a ruling under the Harmonized Tariff Schedule of the United States, (HTSUS), of (+)-DI-P-Toluoyl-D-Tartaric Acid. Your letter was referred to this office for reply. FACTS: The substance (+)-DI-P-Toluoyl-D-Tartaric Acid has the molecular formula C20H18O8 and the CAS #32634-68-7. It is imported in bulk as a white or off white to yellowish powder. It is used as a pharmaceutical intermediate. ISSUE: What is the proper classification for…
964378 · 2000-12-14 — HQ 964378: (-)-Dibenzoyl-L-tartaric acid anhydrous, CAS #2743-38-6 and Dibenzoyl-D-tartaric acid, CAS #1706-42-5; and HQ 960536: (+)-DI-O-P-Toluoyl-D-Tartaric Acid, CAS #32634-68-7
This is in reference to your letters dated March 1, 2000, and March 10, 2000, to the Director, National Commodity Specialist Division, New York, requesting rulings under the Harmonized Tariff Schedule of the United States, (HTSUS), of the chemical compounds Dibenzoyl-D-tartaric acid and (-)-Dibenzoyl-L-tartaric acid anhydrous, respectively. Your letters were referred to this office for reply. In reviewing this issue, we have also reviewed the decision in Headquarters Ruling Letter (HQ) 960536 issued to you on May 11, 1998, concerning the classification, under the HTSUS, of the chemical…
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