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1634721-15-5

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1634721-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1634721-15-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,4,7,2 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1634721-15:
(9*1)+(8*6)+(7*3)+(6*4)+(5*7)+(4*2)+(3*1)+(2*1)+(1*5)=155
155 % 10 = 5
So 1634721-15-5 is a valid CAS Registry Number.

1634721-15-5Downstream Products

1634721-15-5Relevant articles and documents

Synthesis of N-(5-aryl-1,3,4-thiadiazol-2-yl)-2-(3-oxo-1,2-benzothiazol- 2(3H)-yl)acetamide derivatives promoted by carbodiimide condensation

Yu, Peng,Hu, Jun,Wan, Rong,Li, Xi,Zheng, Shanlong,Xu, Yanhua

, p. 347 - 350 (2014/07/08)

Novel N-(5-aryl-1,3,4-thiadiazol-2-yl)-2-(3-oxo-1,2-benzothiazol-2(3H)-yl) acetamide derivatives were prepared by 1-(3-dimethylaminopropyl)-3- ethylcarbodiimide hydrochloride and N-hydroxybenzotrizole condensation catalysis in a convenient and fast method

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