86409-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86409-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,4,0 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 86409-89:
(7*8)+(6*6)+(5*4)+(4*0)+(3*9)+(2*8)+(1*9)=164
164 % 10 = 4
So 86409-89-4 is a valid CAS Registry Number.
86409-89-4Relevant articles and documents
SELENOSULFONATION OF ACETYLENES. PREPARATION OF NOVEL β-(PHENYLSELENO)VINYL SULFONES
Back, Thomas G.,Collins, Scott
, p. 5111 - 5114 (1981)
Se-Phenyl p-tolueneselenosulfonate (1) undergoes thermal addition to acetylenes to afford β-(phenylseleno)vinyl sulfone adducts 2 in a stereo- and regioselective fashion.