Cas 1234693-52-7,C16H14O4S

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Check Digit Verification of cas no

The CAS Registry Mumber 1234693-52-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,6,9 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1234693-52:
(9*1)+(8*2)+(7*3)+(6*4)+(5*6)+(4*9)+(3*3)+(2*5)+(1*2)=157
157 % 10 = 7
So 1234693-52-7 is a valid CAS Registry Number.

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1234693-52-7Relevant articles and documents

Rapid and regiospecific phenylthiolation of some organic acids catalyzed by AlCl3 in the presence of excess anhydrous ZnCl2

Roy,Sarker, Ashis K.,Mamun, A. H. Al

experimental part, p. 2158 - 2163 (2010/08/13)

Phenylthiolation of some carboxylic acids catalyzed by AlCl3 in the presence of excess dehydrating agent (ZnCl2) has been achieved. Moreover, regiospecificity was tested of some dioic acids and found to be specific at the aliphatic p

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1234693-52-7