709042-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 709042-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,9,0,4 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 709042-99:
(8*7)+(7*0)+(6*9)+(5*0)+(4*4)+(3*2)+(2*9)+(1*9)=159
159 % 10 = 9
So 709042-99-9 is a valid CAS Registry Number.
709042-99-9Relevant articles and documents
Synthesis of 2-carbamoylthieno[3,2-d]thiazoles
Yarovenko,Smirnova,Bulgakova,Zavarzin,Krayushkin
, p. 1161 - 1163 (2003)
A preparation procedure was developed for previously unknown 2-carbamoylthieno[3,2-d]-thiazoles consisting in cyclization effected by K 3Fe(CN)6 of monothiooxamides obtained from 2-methyl-4-aminothiophene, chloroacetamides, and sulfur in the presence of triethylamine.
