77-14-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77-14-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 7 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77-14:
(4*7)+(3*7)+(2*1)+(1*4)=55
55 % 10 = 5
So 77-14-5 is a valid CAS Registry Number.
InChI:InChI=1/C17H25NO2/c1-4-16(19)20-17(15-9-6-5-7-10-15)11-8-12-18(3)13-14(17)2/h5-7,9-10,14H,4,8,11-13H2,1-3H3