32188-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32188-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,1,8 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 32188-99:
(7*3)+(6*2)+(5*1)+(4*8)+(3*8)+(2*9)+(1*9)=121
121 % 10 = 1
So 32188-99-1 is a valid CAS Registry Number.
32188-99-1Relevant articles and documents
Synthesis of 1,1-Diamino-2-acylethylenes - Sulphide Contraction Route
Nair, M. D.,Desai, J. A.
, p. 4 - 7 (2007/10/02)
Triphenylphosphine-induced sulphur extrusion from phenacylthioimidazolines, tetrahydropyrimidines and their benzo analogues has been used for the synthesis of a variety of 1,1-diamino-2-acylethylenes.