70224-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70224-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,2 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70224-87:
(7*7)+(6*0)+(5*2)+(4*2)+(3*4)+(2*8)+(1*7)=102
102 % 10 = 2
So 70224-87-2 is a valid CAS Registry Number.
InChI:InChI=1/C25H24N2O6S.Na/c1-14(2)26-19-11-12-20(23-22(19)24(28)15-7-4-5-8-16(15)25(23)29)27-18-9-6-10-21(34(30,31)32)17(18)13-33-3;/h4-12,14,26-27H,13H2,1-3H3,(H,30,31,32);/q;+1/p-1