76-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76-91-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 7 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76-91:
(4*7)+(3*6)+(2*9)+(1*1)=65
65 % 10 = 5
So 76-91-5 is a valid CAS Registry Number.
InChI:InChI=1/C18H29NO3/c1-4-7-14-21-17-11-9-16(10-12-17)18(20)22-15-8-13-19(5-2)6-3/h9-12H,4-8,13-15H2,1-3H3