137263-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137263-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,6 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137263-47:
(8*1)+(7*3)+(6*7)+(5*2)+(4*6)+(3*3)+(2*4)+(1*7)=129
129 % 10 = 9
So 137263-47-9 is a valid CAS Registry Number.