2881-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2881-21-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,8 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2881-21:
(6*2)+(5*8)+(4*8)+(3*1)+(2*2)+(1*1)=92
92 % 10 = 2
So 2881-21-2 is a valid CAS Registry Number.
InChI:InChI=1/C21H34O2/c1-13-11-15(22)12-14-5-6-16-17-8-10-20(3,23)19(17,2)9-7-18(16)21(13,14)4/h13-14,16-18,23H,5-12H2,1-4H3/t13-,14-,16-,17-,18-,19-,20-,21-/m0/s1