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31979-21-2

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31979-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31979-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,9,7 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 31979-21:
(7*3)+(6*1)+(5*9)+(4*7)+(3*9)+(2*2)+(1*1)=132
132 % 10 = 2
So 31979-21-2 is a valid CAS Registry Number.

31979-21-2Downstream Products

31979-21-2Relevant articles and documents

On water: Catalyst-free chemoselective synthesis of highly functionalized tetrahydroquinazolines from 2-aminophenylacrylate

Saunthwal, Rakesh K.,Patel, Monika,Tiwari, Rakesh K.,Parang, Keykavous,Verma, Akhilesh K.

supporting information, p. 1434 - 1441 (2015/03/18)

A green and catalyst-free atom-ecomonic straightforward tandem approach for the synthesis of highly functionalized tetrahydroquinazolines by the reaction of 2-aminophenylacrylates with isothiocyanates using water as an environmentally friendly solvent via amidation and concomitant chemoselective Michael-addition is described. This journal is

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