11021-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 11021-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,1,0,2 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 11021-22:
(7*1)+(6*1)+(5*0)+(4*2)+(3*1)+(2*2)+(1*2)=30
30 % 10 = 0
So 11021-22-0 is a valid CAS Registry Number.
InChI:InChI=1/C21H20O12/c22-6-11-13(26)15(28)17(30)21(31-11)33-19-10(25)5-9(24)12-14(27)16(29)18(32-20(12)19)7-1-3-8(23)4-2-7/h1-5,11,13,15,17,21-26,28-30H,6H2/t11-,13-,15+,17-,21+/m0/s1