124129-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124129-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,2 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 124129-81:
(8*1)+(7*2)+(6*4)+(5*1)+(4*2)+(3*9)+(2*8)+(1*1)=103
103 % 10 = 3
So 124129-81-3 is a valid CAS Registry Number.