74671-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74671-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,7 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74671-71:
(7*7)+(6*4)+(5*6)+(4*7)+(3*1)+(2*7)+(1*1)=149
149 % 10 = 9
So 74671-71-9 is a valid CAS Registry Number.
74671-71-9Relevant academic research and scientific papers
NEW REACTION OF BENZOTHIENOBENZOTHIOPHENE DISULFONE
Udre, V.E.,Lukevits, E.Ya.,Kemme, A.A.,Bleidelis, Ya.Ya.
, p. 234 - 237 (2007/10/02)
A new reaction of benzothienobenzothiophene disulfone with amines that takes place with opening of one of the thiophene rings and nucleophilic substitution in the heteroaromatic ring at the site of cleavage of the S-C bond was observed.The mo
