1234286-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1234286-97-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,2,8 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1234286-97:
(9*1)+(8*2)+(7*3)+(6*4)+(5*2)+(4*8)+(3*6)+(2*9)+(1*7)=155
155 % 10 = 5
So 1234286-97-5 is a valid CAS Registry Number.