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81235-20-3

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81235-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81235-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,3 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81235-20:
(7*8)+(6*1)+(5*2)+(4*3)+(3*5)+(2*2)+(1*0)=103
103 % 10 = 3
So 81235-20-3 is a valid CAS Registry Number.

81235-20-3Relevant articles and documents

3-(Benzothiazol-2-ylthio)- and 3-(Benzoxazol-2-ylthio)-1,2-benzisothiazole 1,1-Dioxides; New, Reactive Condensig Agents for the Synthesis of Amides and Esters

Ueda, Mitsuru,Kawaharasaki, Naomi,Imai, Yoshio

, p. 933 - 935 (1982)

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