227079-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227079-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,7 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 227079-42:
(8*2)+(7*2)+(6*7)+(5*0)+(4*7)+(3*9)+(2*4)+(1*2)=137
137 % 10 = 7
So 227079-42-7 is a valid CAS Registry Number.