250378-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250378-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,3,7 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 250378-77:
(8*2)+(7*5)+(6*0)+(5*3)+(4*7)+(3*8)+(2*7)+(1*7)=139
139 % 10 = 9
So 250378-77-9 is a valid CAS Registry Number.