257876-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257876-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,8,7 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 257876-94:
(8*2)+(7*5)+(6*7)+(5*8)+(4*7)+(3*6)+(2*9)+(1*4)=201
201 % 10 = 1
So 257876-94-1 is a valid CAS Registry Number.