72939-36-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72939-36-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,3 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72939-36:
(7*7)+(6*2)+(5*9)+(4*3)+(3*9)+(2*3)+(1*6)=157
157 % 10 = 7
So 72939-36-7 is a valid CAS Registry Number.