86737-41-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86737-41-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,7,3 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 86737-41:
(7*8)+(6*6)+(5*7)+(4*3)+(3*7)+(2*4)+(1*1)=169
169 % 10 = 9
So 86737-41-9 is a valid CAS Registry Number.
86737-41-9Relevant articles and documents
3-Nitromethyl-pyrazoles from 2-Cyano-3-methylthio-4-nitrocrotonic Acid Derivatives
Schaefer, H.,Gewald, K.
, p. 41 - 48 (2007/10/02)
2-Cyano-3-methylthio-4-nitrocrotonic acid derivatives 1a, b react with hydrazines to form the 5-amino-3-nitromethyl-pyrazoles 2a-c and the 5-nitromethyl-pyrazol-3-one 3 respectively.Contrary to this carboxylic hydrazides attacks the nitro group.For the re
