71662-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71662-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,6 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71662-66:
(7*7)+(6*1)+(5*6)+(4*6)+(3*2)+(2*6)+(1*6)=133
133 % 10 = 3
So 71662-66-3 is a valid CAS Registry Number.
InChI:InChI=1/C18H37N3O6S.2Na/c1-2-3-4-5-6-7-8-9-10-19-11-12-20-13-14-21-17(22)15-16(18(23)24)28(25,26)27;;/h16,19-20H,2-15H2,1H3,(H,21,22)(H,23,24)(H,25,26,27);;/q;2*+1/p-2