7446-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7446-29-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,4 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7446-29:
(6*7)+(5*4)+(4*4)+(3*6)+(2*2)+(1*9)=109
109 % 10 = 9
So 7446-29-9 is a valid CAS Registry Number.
InChI:InChI=1/H2O4S.Pt/c1-5(2,3)4;/h(H2,1,2,3,4);/q;+2/p-2