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82491-15-4

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82491-15-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82491-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,9 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82491-15:
(7*8)+(6*2)+(5*4)+(4*9)+(3*1)+(2*1)+(1*5)=134
134 % 10 = 4
So 82491-15-4 is a valid CAS Registry Number.

82491-15-4Relevant articles and documents

Studies of Heterocyclic Chemistry. Part 25. Intramolecular Cyclizations of N-Acylarylethanethioamides leading to Thiazoles, 4H-1,3-Thiazines, 4H-Pyrido-1,3-thiazines, and 4H-1,3-Benzothiazines

Nishiwaki, Tarozaemon,Kawamura, Etsuko,Abe, Noritaka,Sasaoka, Yoshiro,Kochi, Hirafumi,et al.

, p. 1239 - 1244 (2007/10/02)

Thiazoles, 4H-1,3-thiazines, 4H-pyrido-1,3-thiazines, and 4H-1,3-benzothiazines have been synthesized from N-acyl-(1,3-dithiol-2-ylidene)arylethanethioamides derived from the reactions of 4-aryl-3-halogenoacylthio-4-aryl-3-(2-halogenonicotinoylthio

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