75280-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75280-28-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,8 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75280-28:
(7*7)+(6*5)+(5*2)+(4*8)+(3*0)+(2*2)+(1*8)=133
133 % 10 = 3
So 75280-28-3 is a valid CAS Registry Number.
75280-28-3Relevant articles and documents
Synthesis of α-Phenylthio Enones and Esters of α-Phenylthio Alkenoic Acids
Durman, John,Grayson, J.Ian,Hunt, Paul G.,Warren, Stuart
, p. 1939 - 1946 (2007/10/02)
The title compounds can be made by a Pummerer dehydration from the corresponding saturated sulphoxides.The alkylation of anions from saturated and unsaturated ketones is described.