52807-30-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52807-30-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,0 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 52807-30:
(7*5)+(6*2)+(5*8)+(4*0)+(3*7)+(2*3)+(1*0)=114
114 % 10 = 4
So 52807-30-4 is a valid CAS Registry Number.
52807-30-4Relevant articles and documents
Preparation of 1,5-disubstituted tetrazoles under phase-transfer conditions
Artamonova,Zhivich,Dubinskii,Koldobskii
, p. 1428 - 1430 (1996)
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.
