91-51-0 Usage
Flammability and Explosibility
Notclassified
Check Digit Verification of cas no
The CAS Registry Mumber 91-51-0 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91-51:
(4*9)+(3*1)+(2*5)+(1*1)=50
50 % 10 = 0
So 91-51-0 is a valid CAS Registry Number.
InChI:InChI=1/C22H27NO2/c1-16(14-17-10-12-18(13-11-17)22(2,3)4)15-23-20-9-7-6-8-19(20)21(24)25-5/h6-13,15-16H,14H2,1-5H3/b23-15+