Product Name: Narasin   
CAS: 55134-13-9
The Molecular formula of Narasin (CAS NO.55134-13-9): C₄₃H₇₂O₁₁
The Molecular Weight of Narasin (CAS NO.55134-13-9): 765.03
The Molecular Structure of Narasin (CAS NO.55134-13-9): 

Density: 1.17 g/cm³ 
Flash Point: 242.3 °C
Boiling Point: 842.5 °C at 760 mmHg  
Index of Refraction: 1.545 
Molar Refractivity: 205.63 cm³ 
Molar Volume: 650.1 cm³ 
Polarizability: 81.51×10^-24cm³ 
Surface Tension: 49.8 dyne/cm 
Enthalpy of Vaporization: 139.23 kJ/mol 
Vapour Pressure: 5.54E-33 mmHg at 25°C 
Product Categories: antibacterial;antibiotics;antibiotics A to;antibiotics N-santibiotics;interferes with cell membrane permeability (Ionophores)spectrum of activity;L - Z;mechanism of action.

When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Information about Narasin (CAS NO.55134-13-9):
Hazard Codes: 
T+:
Risk Statements Narasin (CAS NO.55134-13-9):
R28: Very Toxic if swallowed.
Safety Statements Narasin (CAS NO.55134-13-9):
S28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer).
S36/37: Wear suitable protective clothing and gloves.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
RIDADR: UN 2811 6.1/PG 2
WGK Germany: 3
RTECS: VO8640000
HazardClass: 6.1(a)
PackingGroup: II

  Narasin with CAS number of 55134-13-9 is also called for 2H-Pyran-2-acetic acid, alpha-ethyl-6-(5-(2-(5-ethyltetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl)-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro(4.1.5.3)pentadec-13-en-9-yl)-2-hydroxy-1,3-dimethyl-4-oxoheptyl)tetrahydro-3,5-dimethyl- ; 4-Methylsalinomycin ; A 28086A ; AI3-29798 ; Antibiotic A 28086A ; Antibiotic A-28086 factor A ; Antibiotic C 7819B ; BRN 1678311 ; C 7819B ; Compound 79891 ; Lilly 79891 ; Monteban ; Narasin ; Narasin A ; Narasine ; Narasine [INN-French] ; Narasino ; Narasino [INN-Spanish] ; Narasinum ; Narasinum [INN-Latin] ; UNII-DZY9VU539P ; alpha-Ethyl-6-(5-(2-(5-ethyltetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl)-15-hydroxy-2,10,12-trimethyl-1,6,8-trioxadispiro(4.1.5.3)pentadec-13-en-9-yl)-2-hydroxy-1,3-dimethyl-4-oxoheptyl)tetrahydro-3,5-dimethyl-2H-pyran-2-acetic acid . Narasin is a coccidiostat and antibacterial agent. It is a derivative of salinomycin which has an additional methyl group.