9002-23-7 Usage
Chemical Properties
amber to brown beads
Uses
Amberlite? IR120 (H+) is a strong acidic type resin used in a cation exchanger to identify amino acids.
Check Digit Verification of cas no
The CAS Registry Mumber 9002-23-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 9002-23:
(6*9)+(5*0)+(4*0)+(3*2)+(2*2)+(1*3)=67
67 % 10 = 7
So 9002-23-7 is a valid CAS Registry Number.