34654-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34654-38-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,6,5 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 34654-38:
(7*3)+(6*4)+(5*6)+(4*5)+(3*4)+(2*3)+(1*8)=121
121 % 10 = 1
So 34654-38-1 is a valid CAS Registry Number.