The tariff classification of CBZ-D-proline (CAS# 6404-31-7)from Japan.
Active· CBP ruling HQ 886583· Issued 1993-06-15
Ruling text
NY 886583
June 15, 1993
CLA-2-29:S:N:N7:239 886583
CATEGORY: Classification
TARIFF NO.: 2933.90.8000
Mr. Edmund J. Corboy
Austin Chemical Company, Inc.
9655 West Bryn Mawr Avenue
Rosemont, IL 60018-5299
RE: The tariff classification of CBZ-D-proline (CAS# 6404-31-7)
from Japan.
Dear Mr. Corboy:
In your letter dated May 19, 1993, you requested a tariff
classification ruling.
The applicable subheading for CBZ-D-proline will be
2933.90.8000, Harmonized Tariff Schedule of the United States
(HTS), which provides for other aromatic heterocyclic compounds
with nitrogen hetero-atom(s) only: products described in additional
U.S. note 3 to section VI. The rate of duty will be 13.5 percent
ad valorem.
This ruling is being issued under the provisions of Section
177 of the Customs Regulations (19 C.F.R. 177).
A copy of this ruling letter should be attached to the entry
documents filed at the time this merchandise is imported. If the
documents have been filed without a copy, this ruling should be
brought to the attention of the Customs officer handling the
transaction.
Sincerely,
Jean F. Maguire
Area Director
New York Seaport
Source: rulings.cbp.gov — ruling 886583, retrieved 2026-10-12T05:24:53Z, republished verbatim. This digest is informational; only CBP issues binding rulings.