154256-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154256-02-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,2,5 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 154256-02:
(8*1)+(7*5)+(6*4)+(5*2)+(4*5)+(3*6)+(2*0)+(1*2)=117
117 % 10 = 7
So 154256-02-7 is a valid CAS Registry Number.
154256-02-7Relevant academic research and scientific papers
Cephalosporin derivatives
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, (2008/06/13)
Compounds of formula (I) or salts thereof: wherein R1 is hydrogen, methoxy or formamido; R2 is an acyl group; CO2 R3 is a carboxy group or a carboxylate anion, or R3 is a readily removable carboxy pro
