137343-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137343-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,4 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137343-39:
(8*1)+(7*3)+(6*7)+(5*3)+(4*4)+(3*3)+(2*3)+(1*9)=126
126 % 10 = 6
So 137343-39-6 is a valid CAS Registry Number.