556798-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 556798-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,6,7,9 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 556798-23:
(8*5)+(7*5)+(6*6)+(5*7)+(4*9)+(3*8)+(2*2)+(1*3)=213
213 % 10 = 3
So 556798-23-3 is a valid CAS Registry Number.