279231-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 279231-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,9,2,3 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 279231-50:
(8*2)+(7*7)+(6*9)+(5*2)+(4*3)+(3*1)+(2*5)+(1*0)=154
154 % 10 = 4
So 279231-50-4 is a valid CAS Registry Number.