126404-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126404-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,0 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 126404-39:
(8*1)+(7*2)+(6*6)+(5*4)+(4*0)+(3*4)+(2*3)+(1*9)=105
105 % 10 = 5
So 126404-39-5 is a valid CAS Registry Number.
126404-39-5Relevant articles and documents
SYNTHESIS AND BIOLOGICAL ACTIVITY OF SOME DERIVATIVES RELATED TO 2-METHYLENEBUTANEDIOIC ACID
Veverka, Miroslav,Kralovicova, Eva
, p. 2731 - 2737 (2007/10/02)
Nucleophilic reactions of methyl 3-chloroformyl-3-butenoate with N-substituted anilines and substituted phenols, and also preparation of 2-methylenebutanedioic acid monoanilides and their dehydration to the corresponding N-arylimides are described.