556782-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 556782-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,6,7,8 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 556782-67:
(8*5)+(7*5)+(6*6)+(5*7)+(4*8)+(3*2)+(2*6)+(1*7)=203
203 % 10 = 3
So 556782-67-3 is a valid CAS Registry Number.