1556677-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1556677-95-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,6,6,7 and 7 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1556677-95:
(9*1)+(8*5)+(7*5)+(6*6)+(5*6)+(4*7)+(3*7)+(2*9)+(1*5)=222
222 % 10 = 2
So 1556677-95-2 is a valid CAS Registry Number.