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134810-25-6

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134810-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134810-25-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,1 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 134810-25:
(8*1)+(7*3)+(6*4)+(5*8)+(4*1)+(3*0)+(2*2)+(1*5)=106
106 % 10 = 6
So 134810-25-6 is a valid CAS Registry Number.

134810-25-6Relevant articles and documents

Oxidation of mixtures of thioureas: Part XI - Oxidation of mixtures of 1-alkyl-3-arylthioureas and thiourea and study of steric influence around aryl groups on formation of 1,2,4-thiadiazolines

Joshua, C P,Sujatha, T S

, p. 600 - 603 (2007/10/02)

Hydrogen peroxide oxidation of a mixture of 1-alkyl-3-arylthiourea and thiourea in acidic alcoholic solution yields two isomeric 3-amino-1,2,4-thiadiazolines (VI and VII) via amidinothiourea.The rearrangement of the intermediate bis(formamidine)sulphide to the amidinothiourea derivative has been found to be governed by the steric effect.

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