134639-29-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134639-29-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,6,3 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134639-29:
(8*1)+(7*3)+(6*4)+(5*6)+(4*3)+(3*9)+(2*2)+(1*9)=135
135 % 10 = 5
So 134639-29-5 is a valid CAS Registry Number.