227958-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227958-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,9,5 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 227958-48:
(8*2)+(7*2)+(6*7)+(5*9)+(4*5)+(3*8)+(2*4)+(1*8)=177
177 % 10 = 7
So 227958-48-7 is a valid CAS Registry Number.