37549-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37549-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,5,4 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 37549-80:
(7*3)+(6*7)+(5*5)+(4*4)+(3*9)+(2*8)+(1*0)=147
147 % 10 = 7
So 37549-80-7 is a valid CAS Registry Number.