85280-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85280-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,2,8 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85280-21:
(7*8)+(6*5)+(5*2)+(4*8)+(3*0)+(2*2)+(1*1)=133
133 % 10 = 3
So 85280-21-3 is a valid CAS Registry Number.
InChI:InChI=1/C21H17N3O7S2.Na/c1-10-6-7-13(15(8-10)32(23,27)28)24-14-9-16(33(29,30)31)19(22)18-17(14)20(25)11-4-2-3-5-12(11)21(18)26;/h2-9,24H,22H2,1H3,(H2,23,27,28)(H,29,30,31);/q;+1/p-1