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131187-83-2

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131187-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131187-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,8 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131187-83:
(8*1)+(7*3)+(6*1)+(5*1)+(4*8)+(3*7)+(2*8)+(1*3)=112
112 % 10 = 2
So 131187-83-2 is a valid CAS Registry Number.

131187-83-2Relevant academic research and scientific papers

REACTIONS WITH 2-(THIOCYANATOACETYL) AND 2-(SELENOCYANATOACETYL)-2'-BENZOFURAN: SYNTHESIS OF SOME NEW THIADIAZOLINE, SELENODIAZOLINE, THIADIAZOLOQUINAZOLINE AND ARYLAZOTHIAZOLE DERIVATIVES.

Abdelhamid, Abdou O.,Attaby, Fawzy A.,Zaki, Mayssoune Y.

, p. 403 - 410 (2007/10/02)

Several new thiadiazoline, selenodiazoline, thiadiazoloquinazoline and arylazothiazole derivatives were synthesized via the reaction of 2-(thiocyanatoacetyl)-2'-benzofuran with arendiazonium chlorides, nitrous acid, acetic anhydride, benzoyl chlori

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