250710-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250710-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,7,1 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 250710-65:
(8*2)+(7*5)+(6*0)+(5*7)+(4*1)+(3*0)+(2*6)+(1*5)=107
107 % 10 = 7
So 250710-65-7 is a valid CAS Registry Number.