205320-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205320-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,3,2 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 205320-23:
(8*2)+(7*0)+(6*5)+(5*3)+(4*2)+(3*0)+(2*2)+(1*3)=76
76 % 10 = 6
So 205320-23-6 is a valid CAS Registry Number.