2655-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2655-39-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,5 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2655-39:
(6*2)+(5*6)+(4*5)+(3*5)+(2*3)+(1*9)=92
92 % 10 = 2
So 2655-39-2 is a valid CAS Registry Number.