155562-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155562-25-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,5,6 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 155562-25:
(8*1)+(7*5)+(6*5)+(5*5)+(4*6)+(3*2)+(2*2)+(1*5)=137
137 % 10 = 7
So 155562-25-7 is a valid CAS Registry Number.