21209-11-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21209-11-0 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 21209-11:
(7*2)+(6*1)+(5*2)+(4*0)+(3*9)+(2*1)+(1*1)=60
60 % 10 = 0
So 21209-11-0 is a valid CAS Registry Number.
InChI:InChI=1/C14H29NO3S2/c1-12-6-7-14(13(2)11-12)5-3-4-8-15-9-10-18-20(16,17)19/h12-15H,3-11H2,1-2H3,(H,16,17,19)/t12?,13?,14-/m0/s1