155672-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155672-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,7 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 155672-52:
(8*1)+(7*5)+(6*5)+(5*6)+(4*7)+(3*2)+(2*5)+(1*2)=149
149 % 10 = 9
So 155672-52-9 is a valid CAS Registry Number.