20148-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20148-23-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,4 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20148-23:
(7*2)+(6*0)+(5*1)+(4*4)+(3*8)+(2*2)+(1*3)=66
66 % 10 = 6
So 20148-23-6 is a valid CAS Registry Number.