76137-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76137-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,3 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76137-48:
(7*7)+(6*6)+(5*1)+(4*3)+(3*7)+(2*4)+(1*8)=139
139 % 10 = 9
So 76137-48-9 is a valid CAS Registry Number.