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Amoxicillin

Also known as: Amoxicillin trihydrate, p-Hydroxyampicillin, α-Amino-p-hydroxybenzylpenicillin, 6-[D(-)-α-Amino-p-hydroxyphenylacetamido]penicillanic acid, (2S,5R,6R)-6-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, Amoxycillin

Amoxicillin (CAS 26787-78-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H19N3O5S and a molecular weight of 365.404 g/mol. Key properties include a boiling point of 701.8±70.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 378.2±35.7 °C. 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.
26787-78-0
Jingsj CID
J-2113-6
Molecular Formula
C16H19N3O5S
Molecular Weight
365.404 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point701.8±70.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point378.2±35.7 °C
Exact Mass365.104553
PSA158.26000
LogP0.92
Vapor Pressure0.0±2.3 mmHg at 25°C
Refractive Index1.745
Storage Conditions2-8°C
StabilityStable. Incompatible with strong oxidizing agents.

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]. http://en.wikipedia.org/wiki/Amoxicillin

Customs & Trade Information

HS Code2941109200

Frequently Asked Questions

What is the CAS number of Amoxicillin?

The CAS number of Amoxicillin is 26787-78-0.

What are the molecular formula and molecular weight of Amoxicillin?

Amoxicillin has molecular formula C16H19N3O5S and molecular weight 365.404 g/mol.

Is Amoxicillin hazardous?

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

What are the upstream and downstream products of Amoxicillin?

For Amoxicillin, Upstream Products: 6-Aminopenicillanic acid, 2-Chloro-1,3,2-dioxaphospholane, 4-Hydroxy-L-phenylglycine; Downstream Products: Amoxicillin sodium, Omeprazole, Glycine Anhydride.

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

Last updated:

How to cite: Jingsj. "Amoxicillin (CAS 26787-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2113-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.