21220-94-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21220-94-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,2 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21220-94:
(7*2)+(6*1)+(5*2)+(4*2)+(3*0)+(2*9)+(1*4)=60
60 % 10 = 0
So 21220-94-0 is a valid CAS Registry Number.
InChI:InChI=1/C12H27NO4S2/c1-17-11-8-6-4-2-3-5-7-9-13-10-12-18-19(14,15)16/h13H,2-12H2,1H3,(H,14,15,16)