128203-59-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128203-59-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,0 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128203-59:
(8*1)+(7*2)+(6*8)+(5*2)+(4*0)+(3*3)+(2*5)+(1*9)=108
108 % 10 = 8
So 128203-59-8 is a valid CAS Registry Number.
128203-59-8Relevant academic research and scientific papers
Formylated alkylbenzenesulfonyl halide compound
-
, (2008/06/13)
A formylated alkylbenzenesulfonyl halide compound represented by the following general formula (I): STR1 wherein R1 is an alkyl group having 1 to 5 carbon atoms; R2 and R3 are each a member selected from the group consisti