186337-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186337-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,3,3 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 186337-97:
(8*1)+(7*8)+(6*6)+(5*3)+(4*3)+(3*7)+(2*9)+(1*7)=173
173 % 10 = 3
So 186337-97-3 is a valid CAS Registry Number.
186337-97-3Relevant 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.
