123899-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123899-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,9 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123899-50:
(8*1)+(7*2)+(6*3)+(5*8)+(4*9)+(3*9)+(2*5)+(1*0)=153
153 % 10 = 3
So 123899-50-3 is a valid CAS Registry Number.