1250-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1250-77-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,5 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1250-77:
(6*1)+(5*2)+(4*5)+(3*0)+(2*7)+(1*7)=57
57 % 10 = 7
So 1250-77-7 is a valid CAS Registry Number.