13947-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13947-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,4 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13947-81:
(7*1)+(6*3)+(5*9)+(4*4)+(3*7)+(2*8)+(1*1)=124
124 % 10 = 4
So 13947-81-4 is a valid CAS Registry Number.
13947-81-4Relevant articles and documents
INTERACTION OF ALKYLIDENE CARBENES WITH NITROSO COMPOUNDS
Stang, Peter J.,Anderson, Gary H.
, p. 329 - 332 (2007/10/02)
The reaction of an alkylidenecarbene with 2-methyl-2-nitrosopropane results in various amides via the intermediacy of keteneimine N-oxide and aziridinone.