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1233967-23-1

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1233967-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233967-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,9,6 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1233967-23:
(9*1)+(8*2)+(7*3)+(6*3)+(5*9)+(4*6)+(3*7)+(2*2)+(1*3)=161
161 % 10 = 1
So 1233967-23-1 is a valid CAS Registry Number.

1233967-23-1Downstream Products

1233967-23-1Relevant articles and documents

An alternative route for synthesis of o-trifluoroacetylanilines as useful fluorine-containing intermediates

Zhu, Lingjian,Miao, Zhenyuan,Sheng, Chunquan,Yao, Jianzhong,Zhuang, Chunlin,Zhang, Wannian

experimental part, p. 800 - 804 (2010/09/04)

A series of o-trifluoroacetyl aniline derivatives were synthesized in three steps. In this method, we first utilized trifluoroacetic anhydride to introduce trifluoroacetyl group to the ortho position of aniline with higher yield than that of some previously reported methods. In addition, the procedure is shown to be highly regiospecific. This type of compounds can be used as the key intermediates in the preparation of a variety of inhibitors of HIV reverse transcriptase which is an important pharmacological target of many anti-AIDS agents.

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