124131-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124131-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,3 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 124131-77:
(8*1)+(7*2)+(6*4)+(5*1)+(4*3)+(3*1)+(2*7)+(1*7)=87
87 % 10 = 7
So 124131-77-7 is a valid CAS Registry Number.