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100440-67-3

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100440-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100440-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,4,4 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 100440-67:
(8*1)+(7*0)+(6*0)+(5*4)+(4*4)+(3*0)+(2*6)+(1*7)=63
63 % 10 = 3
So 100440-67-3 is a valid CAS Registry Number.

100440-67-3Downstream Products

100440-67-3Relevant articles and documents

REACTION OF 2-THIOBENZAZOLES WITH THIONYL CHLORIDE

Mokrushina, G. A.,Kotovskaya, S. K.,Yurchenko, G. A.

, p. 872 - 875 (2007/10/02)

A new reaction in the benzimidazole series, viz., replacement of the mercapto group by chlorine by the action of thionyl chloride on 2-thiobenzimidazoles, was discovered.Benzoxazolone is formed by treatment of 2-thiobenzoxazole with thionyl chloride, and 2,2'-dithiobis(2-benzothiazole) is formed from 2-thiobenzothiazole.

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