21209-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21209-10-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,0 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21209-10:
(7*2)+(6*1)+(5*2)+(4*0)+(3*9)+(2*1)+(1*0)=59
59 % 10 = 9
So 21209-10-9 is a valid CAS Registry Number.
InChI:InChI=1/C14H29NO3S2/c1-2-13-6-8-14(9-7-13)5-3-4-10-15-11-12-19-20(16,17)18/h13-15H,2-12H2,1H3,(H,16,17,18)