52-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52-45-9 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52-45:
(4*5)+(3*2)+(2*4)+(1*5)=39
39 % 10 = 9
So 52-45-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H12N2O2S/c12-6-9(4-2-1-3-5-9)7(13)11-8(14)10-6/h1-5H2,(H2,10,11,12,13,14)