120256-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120256-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,5 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 120256-17:
(8*1)+(7*2)+(6*0)+(5*2)+(4*5)+(3*6)+(2*1)+(1*7)=79
79 % 10 = 9
So 120256-17-9 is a valid CAS Registry Number.
120256-17-9Relevant articles and documents
The Preparation of 3-Hydrazino-4-hydroxy- and 3-Hydrazino-4-methoxypyridine from Sydnones
El-Bakoush, M. M.,Parrick, J.
, p. 1055 - 1057 (2007/10/02)
3-Hydrazino-4-hydroxy- and 3-hydrazino-4-methoxypyridines, which could not be obtained by reduction of the corresponding diazonium salts, have been prepared by decomposition of N-(4-substituted-pyrid-3-yl)sydnones.