50983-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50983-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,9,8 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 50983-22:
(7*5)+(6*0)+(5*9)+(4*8)+(3*3)+(2*2)+(1*2)=127
127 % 10 = 7
So 50983-22-7 is a valid CAS Registry Number.
50983-22-7Relevant articles and documents
Regioselective Reaction of Singlet Oxygen with α,β-Unsaturated Esters
Orfanopoulos, Michael,Foote, Christopher S.
, p. 5991 - 5994 (1985)
The reaction of singlet oxygen with α,β-unsaturated esters shows a general preference for hydrogen abstraction on the alkyl group geminal to the ester.
