227751-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227751-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,7,5 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 227751-39:
(8*2)+(7*2)+(6*7)+(5*7)+(4*5)+(3*1)+(2*3)+(1*9)=145
145 % 10 = 5
So 227751-39-5 is a valid CAS Registry Number.