119609-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119609-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,6,0 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 119609-16:
(8*1)+(7*1)+(6*9)+(5*6)+(4*0)+(3*9)+(2*1)+(1*6)=134
134 % 10 = 4
So 119609-16-4 is a valid CAS Registry Number.
119609-16-4Relevant articles and documents
Synthesis of Polysubstituted Imidazothiazoles from 4(5)-Carbethoxy-5(4)-methyl-2-mercaptoimidazole
El-Reedy, A. M.,Hussain, S. M.
, p. 617 - 621 (2007/10/02)
Alkylation of 4(5)-carbethoxy-5(4)-methyl-2-mercaptoimidazole (I) gives the S-substituted derivatives (IIa-d).Cyclodehydration of IIb, affords 5-carbethoxy-6-methyl-2,3-dihydroimidazothiazol-3-one (III) and 2-acetyl-5-carbethoxy-3,6-dimethylimidazo