6399-94-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6399-94-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,9 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6399-94:
(6*6)+(5*3)+(4*9)+(3*9)+(2*9)+(1*4)=136
136 % 10 = 6
So 6399-94-6 is a valid CAS Registry Number.
6399-94-6Relevant articles and documents
PROCESS FOR THE PREPARATION OF AROMATIC FORMAMIDES
-
Page/Page column 3, (2012/10/08)
The invention relates to a process for the preparation of formamides by reacting aromatic amines with a formic acid ester in the presence of a catalyst, wherein the catalyst is a phosphorus-containing acid or a Lewis-acidic metal salt.