427-17-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 427-17-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 427-17:
(5*4)+(4*2)+(3*7)+(2*1)+(1*7)=58
58 % 10 = 8
So 427-17-8 is a valid CAS Registry Number.
InChI:InChI=1/C12H12N2O4/c1-2-12(7-4-3-5-8(15)6-7)9(16)13-11(18)14-10(12)17/h3-6,15H,2H2,1H3,(H2,13,14,16,17,18)