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O-Acetyl-L-carnitine hydrochloride

Also known as: Acetyl-L-carnitine hydrochloride, Acetyl-L-carnitine chloride, ALCAR, Levacecarnine hydrochloride, (R)-3-Acetoxy-4-(trimethylammonio)butyrate hydrochloride, (2R)-2-Acetoxy-3-carboxy-N,N,N-trimethyl-1-propanaminium chloride, O-Acetylcarnitine hydrochloride, Acetylcarnitine chloride, Nicetile, Branigen, Normobren, Zibren, ST 200

O-Acetyl-L-carnitine hydrochloride (CAS 5080-50-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18ClNO4 and a molecular weight of 239.697 g/mol. Key property: a melting point of 194 °C (dec.)(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5080-50-2
Jingsj CID
J-12326-2
Molecular Formula
C9H18ClNO4
Molecular Weight
239.697 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point194 °C (dec.)(lit.)
Exact Mass239.092438
PSA63.60000
LogP0.90100
Refractive Index-28 ° (C=1, H2O)
Additional Propertysoluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Marcon M, et al. Acetyl-L-carnitine as a putative candidate for the treatment of stress-related psychiatric disorders: Novel evidence from a zebrafish model. Neuropharmacology. 2019 May 15;150:145-152.

Frequently Asked Questions

What is the CAS number of O-Acetyl-L-carnitine hydrochloride?

The CAS number of O-Acetyl-L-carnitine hydrochloride is 5080-50-2.

What are the molecular formula and molecular weight of O-Acetyl-L-carnitine hydrochloride?

O-Acetyl-L-carnitine hydrochloride has molecular formula C9H18ClNO4 and molecular weight 239.697 g/mol.

Is O-Acetyl-L-carnitine hydrochloride hazardous?

O-Acetyl-L-carnitine hydrochloride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of O-Acetyl-L-carnitine hydrochloride?

For O-Acetyl-L-carnitine hydrochloride, Upstream Products: L-Carnitine hydrochloride, acetic acid, Acetyl chloride.

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

Last updated:

How to cite: Jingsj. "O-Acetyl-L-carnitine hydrochloride (CAS 5080-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12326-2 (accessed 2026-11-09).

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