1254709-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1254709-77-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,7,0 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1254709-77:
(9*1)+(8*2)+(7*5)+(6*4)+(5*7)+(4*0)+(3*9)+(2*7)+(1*7)=167
167 % 10 = 7
So 1254709-77-7 is a valid CAS Registry Number.