74543-22-9 Usage
Flammability and Explosibility
Notclassified
Check Digit Verification of cas no
The CAS Registry Mumber 74543-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,4 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74543-22:
(7*7)+(6*4)+(5*5)+(4*4)+(3*3)+(2*2)+(1*2)=129
129 % 10 = 9
So 74543-22-9 is a valid CAS Registry Number.
InChI:InChI=1/C10H9NO6S2.Na/c11-8-5-7(18(12,13)14)4-6-2-1-3-9(10(6)8)19(15,16)17;/h1-5H,11H2,(H,12,13,14)(H,15,16,17);/q;+1/p-2