67741-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67741-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,4 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 67741-93:
(7*6)+(6*7)+(5*7)+(4*4)+(3*1)+(2*9)+(1*3)=159
159 % 10 = 9
So 67741-93-9 is a valid CAS Registry Number.
67741-93-9Relevant academic research and scientific papers
13-Thiaprostaglandin derivatives
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, (2008/06/13)
13-Thiaprostanoic acid derivatives of the general formula I STR1 wherein A is --CO-- or --CHOH--; B is --CH2 CH2 -- or --CH=CH--; Q is 1,4-phenylene or 1,4-naphthylene; R1 is H or OH; R2 is H or CH3 ;