32772-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32772-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,7,7 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 32772-87:
(7*3)+(6*2)+(5*7)+(4*7)+(3*2)+(2*8)+(1*7)=125
125 % 10 = 5
So 32772-87-5 is a valid CAS Registry Number.
32772-87-5Relevant articles and documents
SYNTHESIS OF N-ACETYL-N'-ARYL(HETERYL)UREAS FROM N-(1-HYDROXYIMINO-2-OXOPROPYL)PYRIDINIUM CHLORIDE
Poplavskaya, I. A.,Aubakirova, G. B.,Kurmangalieva, R. G.
, p. 425 - 431 (2007/10/03)
N-Acetyl-N'-aryl(heteryl)ureas were synthesized by reaction of N-(1-hydroxyimino-2-oxopropyl)pyridinium chloride with amines.The use of amines on a silica support considerably increases the yield of acetylureas.
