65697-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65697-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,9 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 65697-44:
(7*6)+(6*5)+(5*6)+(4*9)+(3*7)+(2*4)+(1*4)=171
171 % 10 = 1
So 65697-44-1 is a valid CAS Registry Number.
65697-44-1Relevant articles and documents
Preparation of 1,5-disubstituted tetrazoles under phase-transfer conditions
Artamonova,Zhivich,Dubinskii,Koldobskii
, p. 1428 - 1430 (2007/10/03)
Imidoyl chlorides, obtained by common methods from a wide range of aromatic mono- and diamides, are smoothly converted to the corresponding tetrazoles in high yields by treatment with NaN3 under phase-transfer conditions.
