Neomycin sulfate

硫酸新霉素

Also known as: Fradiomycin sulfate, Neomycin sulphate, Neomycin trisulfate salt hydrate

Neomycin sulfate (CAS 1405-10-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H52N6O25S3 and a molecular weight of 908.88 g/mol. It is also known as Fradiomycin sulfate, Neomycin sulphate and Neomycin trisulfate salt hydrate. Key properties include a melting point of >187°C (dec.), a boiling point of 1046.1ºC at 760 mmHg and a flash point of 586.5ºC. It is classified under GHS with signal word Danger and hazard statements H317 — May cause an allergic skin reaction and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1405-10-3
Jingsj CID: J-50131-0
Molecular Formula: C₂₃H₅₂N₆O₂₅S₃
Chinese Name: 硫酸新霉素
Molecular Weight: 908.88 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	>187°C (dec.)
Boiling Point	1046.1ºC at 760 mmHg
Flash Point	586.5ºC
PSA	436.09000
Vapor Pressure	0mmHg at 25°C
Refractive Index	56 ° (C=10, H2O)
Additional Property	H2O: 50 mg/mL As a stock solution. Stock solutions should be filter sterilized and stored at 2-8°C. Stable at 37°C for 5 days.

GHS Safety & Compliance

Health HazardSignal word: Danger

H317 — May cause an allergic skin reaction
H334 — May cause allergy or asthma symptoms if inhaled

Activity & Biological Data

Additional Information	[1]. Carney, D.H., et al. Phosphoinositides in mitogenesis: neomycin inhibits thrombin-stimulated phosphoinositide turnover and initiation of cell proliferation. Cell, 1985. 42(2): p. 479-88. [2]. Nakashima, S., et al. Neomycin is a potent agent for arachidonic acid release in human platelets. Biochem Biophys Res Commun, 1987. 146(2): p. 820-6. [3]. Liscovitch, M., et al., Inhibition of neural phospholipase D activity by aminoglycoside antibiotics. Biochem J, 1991. 279 ( Pt 1): p. 319-21. [4]. Huang K, et al. CRAC channel is inhibited by neomycin in a Ptdlns(4,5)P2-independent manner. Cell Biochem Funct. 2015 Mar;33(2):97-100.

Additional Information

[1]. Carney, D.H., et al. Phosphoinositides in mitogenesis: neomycin inhibits thrombin-stimulated phosphoinositide turnover and initiation of cell proliferation. Cell, 1985. 42(2): p. 479-88. [2]. Nakashima, S., et al. Neomycin is a potent agent for arachidonic acid release in human platelets. Biochem Biophys Res Commun, 1987. 146(2): p. 820-6. [3]. Liscovitch, M., et al., Inhibition of neural phospholipase D activity by aminoglycoside antibiotics. Biochem J, 1991. 279 ( Pt 1): p. 319-21. [4]. Huang K, et al. CRAC channel is inhibited by neomycin in a Ptdlns(4,5)P2-independent manner. Cell Biochem Funct. 2015 Mar;33(2):97-100.

Customs & Trade Information

HS Code	2941909000

Frequently Asked Questions

What is the CAS number of Neomycin sulfate?

The CAS number of Neomycin sulfate is 1405-10-3.

What are the molecular formula and molecular weight of Neomycin sulfate?

Neomycin sulfate has molecular formula C23H52N6O25S3 and molecular weight 908.88 g/mol.

Is Neomycin sulfate hazardous?

Neomycin sulfate has GHS signal word Danger and hazard statements H317 — May cause an allergic skin reaction; H334 — May cause allergy or asthma symptoms if inhaled.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Neomycin sulfate (CAS 1405-10-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50131-0 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.