49558-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49558-23-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,5,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 49558-23:
(7*4)+(6*9)+(5*5)+(4*5)+(3*8)+(2*2)+(1*3)=158
158 % 10 = 8
So 49558-23-8 is a valid CAS Registry Number.
InChI:InChI=1/C6H4I2O4S.Na/c7-4-1-3(13(10,11)12)2-5(8)6(4)9;/h1-2,9H,(H,10,11,12);/q;+1/p-1