12765-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12765-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,7,6 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12765-21:
(7*1)+(6*2)+(5*7)+(4*6)+(3*5)+(2*2)+(1*1)=98
98 % 10 = 8
So 12765-21-8 is a valid CAS Registry Number.
InChI:InChI=1/C24H50O4S.Na/c1-3-5-7-9-11-13-15-17-19-21-23-27-29(25,26)28-24-22-20-18-16-14-12-10-8-6-4-2;/h3-24H2,1-2H3;/q;+1