28891-35-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28891-35-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,9 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28891-35:
(7*2)+(6*8)+(5*8)+(4*9)+(3*1)+(2*3)+(1*5)=152
152 % 10 = 2
So 28891-35-2 is a valid CAS Registry Number.