51-13-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51-13-8 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51-13:
(4*5)+(3*1)+(2*1)+(1*3)=28
28 % 10 = 8
So 51-13-8 is a valid CAS Registry Number.
InChI:InChI=1/C10H14ClN3/c1-12-10(13-2)14-7-8-5-3-4-6-9(8)11/h3-6H,7H2,1-2H3,(H2,12,13,14)