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17688-44-7

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17688-44-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17688-44-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,8 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17688-44:
(7*1)+(6*7)+(5*6)+(4*8)+(3*8)+(2*4)+(1*4)=147
147 % 10 = 7
So 17688-44-7 is a valid CAS Registry Number.

17688-44-7Relevant articles and documents

Synthesis and application of new S-benzoheterocycle thiobenzoates photoinitiators

Zhao, Ziren,Wang, Chen,Liu, Feng,Zhang, Bianxiang

, p. 3717 - 3726 (2020/05/11)

A series of free radical photoinitiators with thioester bonds were synthesized by the nucleophilic substitution reaction of acyl chloride and thiol or thiophenol. These compounds could be efficiently obtained under mild reaction conditions and were fully

Organic reactions in ionic liquids: An efficient method for selective S-alkylation of 2-mercaptobenzothia(xa)zole with alkyl halides

Hu, Yi,Chen, Zhen-Chu,Le, Zhang-Gao,Zheng, Qin-Guo

, p. 2039 - 2046 (2007/10/03)

Ionic liquids based on 1-butyl-3-methylimidazolium hexafluorophosphate (BmimPF6) and 1-butyl-3-methylimidazolium tetrafluoroborate (BmimBF4) are used as reusable reaction medium in the selective S-alkylation of 2-mercaptobenzothia(xa)zole with alkyl halides in the presence of potassium carbonate. This procedure is convenient, efficient, and generally gives rise to the S-alkylated product exclusively.

S- and N-Acyl Derivatives of 2-Mercaptobenzoxazole; New, Highly Reactive Acylating Agents for Synthesis of Amides and Esters

Ueda, Mitsuru,Seki, Kouji,Imai, Yoshio

, p. 991 - 993 (2007/10/02)

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