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17531-54-3

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17531-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17531-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,3 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17531-54:
(7*1)+(6*7)+(5*5)+(4*3)+(3*1)+(2*5)+(1*4)=103
103 % 10 = 3
So 17531-54-3 is a valid CAS Registry Number.

17531-54-3Relevant articles and documents

Synthesis of N-Acyl Triazolyl-Pyrazolines via Acylation Initiated by the Hydrazone Moiety with Carboxylic Acids

Sivasubramaniyan, Archana,Murugan, Dinesh,Raja, Ranganathan,Murugan, Sathishkumar,Poovan, Shanmugavelan,Alagusundaram, Ponnuswamy

, p. 2748 - 2763 (2015/12/18)

An efficient synthesis of N-acyl/N-substituted acyl pyrazolines and their triazole hybrids have been accomplished via acylation of pyrazolines and pyrazoline-triazole hybrids with carboxylic acids and/or substituted carboxylic acids in the absence of activating agents/catalysts. In the present study, a mechanism envisaging the in situ generation of a new transient acylating intermediate has been proposed to explain the acylation.

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