CLA-2-29:S:N:N7:240 899243

Mr. Nam Quoc Ngo
4191 Rincon Avenue
Cambell, CA 95008

RE: The tariff classification of 2-cyanoethyl-N,N,N',N'- tetraisopropyl phosphorodiamidite (CAS # 102691-36-1); 2- Cyanoethyl-N-N-diisopropylchloro phosphoramidite (CAS # 89992-70- 1); Dichlorodiisopropylamino phosphine (CAS # 921-26-6); Bis(diisopropylamino)chloro phosphine (CAS # 56183-63-2) from France

Dear Mr. Quoc Ngo:

In your letter dated June 17, 1994, you requested a tariff classification ruling. PRODUCT HTS RATE OF DUTY 2-Cyanoethyl-N,N,N',N'-tetra- 2929.90.5000 7.9 percent isopropyl phosphorodiamidite ad valorem (CAS # 102691-36-1)

2-Cyanoethyl-N,N-diisopropyl- 2929.90.5000 7.9 percent chloro phosphoramidite ad valorem (CAS # 89992-70-1)

Dichlorodiisopropylamino 2929.90.5000 7.9 percent phosphine ad valorem (CAS # 921-26-6)

Bis-(diisopropylamino)chloro 2929.90.5000 7.9 percent phosphine ad valorem (CAS # 56183-63-2)

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 already been filed, this ruling should be brought to the attention of the Customs officer handling the transaction.

Sincerely,

Jean F. Maguire
Area Director
New York Seaport