122764-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122764-56-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,7,6 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 122764-56:
(8*1)+(7*2)+(6*2)+(5*7)+(4*6)+(3*4)+(2*5)+(1*6)=121
121 % 10 = 1
So 122764-56-1 is a valid CAS Registry Number.