7253-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7253-78-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,5 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7253-78:
(6*7)+(5*2)+(4*5)+(3*3)+(2*7)+(1*8)=103
103 % 10 = 3
So 7253-78-3 is a valid CAS Registry Number.
7253-78-3Relevant articles and documents
Selective Sulfonylating Agents
Guthrie, R. D. (Gus),Thang, San
, p. 2133 - 2136 (2007/10/02)
A variety of bulky sulfonyl chlorides have been investigated as sulfonylating reagents for polyol systems in an endeavour to find a selective reagent that would also give rise to a reactive sulfonate ester group.