2921-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2921-50-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,2 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2921-50:
(6*2)+(5*9)+(4*2)+(3*1)+(2*5)+(1*0)=78
78 % 10 = 8
So 2921-50-8 is a valid CAS Registry Number.
InChI:InChI=1/C22H26As2N2O8S/c23-14-6-17-21(25-22(34-17)35-4-3-18(32)33)20(24)19(14)11-1-2-16(31)15(5-11)26(7-12(29)9-27)8-13(30)10-28/h1-2,5-6,12,27-29,31H,3-4,7-10,23-24H2,(H,32,33)