1289158-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1289158-75-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,1,5 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1289158-75:
(9*1)+(8*2)+(7*8)+(6*9)+(5*1)+(4*5)+(3*8)+(2*7)+(1*5)=203
203 % 10 = 3
So 1289158-75-3 is a valid CAS Registry Number.