81763-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81763-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,6 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81763-75:
(7*8)+(6*1)+(5*7)+(4*6)+(3*3)+(2*7)+(1*5)=149
149 % 10 = 9
So 81763-75-9 is a valid CAS Registry Number.
81763-75-9Relevant academic research and scientific papers
SELENOSULFONATION OF ACETYLENES. PREPARATION OF NOVEL β-(PHENYLSELENO)VINYL SULFONES
Back, Thomas G.,Collins, Scott
, p. 5111 - 5114 (2007/10/02)
Se-Phenyl p-tolueneselenosulfonate (1) undergoes thermal addition to acetylenes to afford β-(phenylseleno)vinyl sulfone adducts 2 in a stereo- and regioselective fashion.
