563-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 563-69-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,6 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 563-69:
(5*5)+(4*6)+(3*3)+(2*6)+(1*9)=79
79 % 10 = 9
So 563-69-9 is a valid CAS Registry Number.
InChI:InChI=1/CH2O4/c2-1(3)5-4/h4H,(H,2,3)