91-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91-86-1 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, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91-86:
(4*9)+(3*1)+(2*8)+(1*6)=61
61 % 10 = 1
So 91-86-1 is a valid CAS Registry Number.
InChI:InChI=1/C27H46O2/c1-20(2)10-7-11-21(3)12-8-13-22(4)14-9-16-27(6)17-15-24-19-25(28)23(5)18-26(24)29-27/h18-22,28H,7-17H2,1-6H3