125178-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 125178-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,1,7 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 125178-57:
(8*1)+(7*2)+(6*5)+(5*1)+(4*7)+(3*8)+(2*5)+(1*7)=126
126 % 10 = 6
So 125178-57-6 is a valid CAS Registry Number.
125178-57-6Relevant articles and documents
A Convenient Method for the Methylation of Alkyl Dicyanoacetates
Neidlein, Richard,Kikelj, Danijel
, p. 612 - 613 (2007/10/02)
Alkyl dicyanoacetates can be methylated by the reaction of the corresponding benzyltriethylammonium alkoxycarbonyldicyanomethanide with methyl iodide in chloroform.