318245-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 318245-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,8,2,4 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 318245-43:
(8*3)+(7*1)+(6*8)+(5*2)+(4*4)+(3*5)+(2*4)+(1*3)=131
131 % 10 = 1
So 318245-43-1 is a valid CAS Registry Number.
318245-43-1Relevant articles and documents
Synthesis of 5-chloromethylene hydantoins and thiohydantoins
Cernak, Timothy A.,Gleason, James L.
, p. 117 - 134 (2008/02/02)
5-Chloromethylene hydantoins were prepared by condensation of ureas with chloropyruvic acid. 5-Chloromethylene thiohydantoins were prepared by chlorination of dehydroalanines followed by condensation with thiophosgene. Convenient methods for formation of