61-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61-74-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 6 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 61-74:
(4*6)+(3*1)+(2*7)+(1*4)=45
45 % 10 = 5
So 61-74-5 is a valid CAS Registry Number.
InChI:InChI=1/C16H18N2O2/c17-18(10-13-6-2-1-3-7-13)11-14-12-19-15-8-4-5-9-16(15)20-14/h1-9,14H,10-12,17H2