903877-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903877-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,8,7 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 903877-94:
(8*9)+(7*0)+(6*3)+(5*8)+(4*7)+(3*7)+(2*9)+(1*4)=201
201 % 10 = 1
So 903877-94-1 is a valid CAS Registry Number.