21226-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21226-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,2 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 21226-91:
(7*2)+(6*1)+(5*2)+(4*2)+(3*6)+(2*9)+(1*1)=75
75 % 10 = 5
So 21226-91-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H27NO3S2/c1-12(13-7-3-2-4-8-13)6-5-9-14-10-11-17-19(15,16)18/h12-14H,2-11H2,1H3,(H,15,16,18)/t12-/m0/s1