82940-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82940-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,4 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82940-42:
(7*8)+(6*2)+(5*9)+(4*4)+(3*0)+(2*4)+(1*2)=139
139 % 10 = 9
So 82940-42-9 is a valid CAS Registry Number.
82940-42-9Relevant articles and documents
PERICYCLIC REACTIONS OF PSEUDO-TRIENES. ELECTROCYCLIZATION OF S-BUTADIENYL SULFILIMINES
Gaoni, Yehiel
, p. 2051 - 2052 (1982)
N-Tosyl-S-butadienyl sulfilimines were prepared from butadienyl sulfides and were thermally converted into N-tosyl pyrroles, probably via cyclic azasulfonium ylides.
