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197958-58-0

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197958-58-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197958-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,9,5 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 197958-58:
(8*1)+(7*9)+(6*7)+(5*9)+(4*5)+(3*8)+(2*5)+(1*8)=220
220 % 10 = 0
So 197958-58-0 is a valid CAS Registry Number.

197958-58-0Relevant academic research and scientific papers

A new and efficient method for the facile synthesis of N-acyl sulfonamides under Lewis acid catalysis

Raji Reddy, Chada,Mahipal, Bodugam,Yaragorla, Srinivasa Rao

, p. 7528 - 7532 (2007)

The N-acylation of sulfonamides with carboxylic acid anhydrides in the presence of Lewis acids is described. Several Lewis acids such as BF3·Et2O, ZnCl2, MoCl5, TiCl4, B(C6F5)su

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