98157-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98157-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,5 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98157-50:
(7*9)+(6*8)+(5*1)+(4*5)+(3*7)+(2*5)+(1*0)=167
167 % 10 = 7
So 98157-50-7 is a valid CAS Registry Number.
98157-50-7Relevant articles and documents
NITROAZINES. 20. SIMPLE SYNTHESES OF NITROPYRAZOLOPYRIDINES FROM ALIPHATIC NITROSYNTHONS AND AMINOPYRAZOLES
Rusinov, V. L.,Petrov, A. Yu.,Chupakhin, O. N.
, p. 1335 - 1339 (2007/10/02)
Two variants of a synthesis for nitropyrazolopyridines from aminopyrazoles and two- or three-carbon nitrosynthons are examined.
