162639-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162639-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,6,3 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 162639-11:
(8*1)+(7*6)+(6*2)+(5*6)+(4*3)+(3*9)+(2*1)+(1*1)=134
134 % 10 = 4
So 162639-11-4 is a valid CAS Registry Number.
162639-11-4Relevant articles and documents
SYNTHESIS OF SOME HETEROCYCLES FROM DEHYDRO-L-ASCORBIC ACID AND THEIR BIOLOGICAL ACTIVITY
Mancy, Sohila H.,Sekily, Mohamed A. El,Daghfag, Hager Al,Ali, Om Kolthoom A.
, p. 5 - 11 (2007/10/02)
Synthesis of some heterocyclic compounds from dehydro-L-ascorbic acid, monoaryl hydrazone and their biological activities are described. Key words: Nitrogenheterocycles, Dehydro-L-ascorbic acid, Biological activity.