L-Carnitine hydrochloride

Also known as: Levocarnitine hydrochloride, (R)-Carnitine hydrochloride, (2R)-3-Carboxy-2-hydroxy-N,N,N-trimethyl-1-propanaminium chloride, Vitamin BT hydrochloride, L(-)-Carnitine hydrochloride, Carnitine chloride, 3-Carboxy-2-hydroxy-N,N,N-trimethyl-1-propanaminium chloride

L-Carnitine hydrochloride (CAS 6645-46-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H16ClNO3 and a molecular weight of 197.660 g/mol. Key property: a melting point of 142 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6645-46-1
Jingsj CID: J-1963339-7
Molecular Formula: C₇H₁₆ClNO₃
Molecular Weight: 197.660 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	142 °C
Exact Mass	197.081863
PSA	60.36000
Additional Property	soluble

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Agarwal A, et al. Role of L-carnitine in female infertility. eprod Biol Endocrinol. 2018 Jan 26;16(1):5. [2]. Ferreira GC, et al. L-Carnitine and Acetyl-L-carnitine Roles and Neuroprotection in Developing Brain. Neurochem Res. 2017 Jun;42(6):1661-1675. [3]. Ferreira GC, et al. L-Carnitine and Acetyl-L-carnitine Roles and Neuroprotection in Developing Brain. Neurochem Res. 2017 Jun;42(6):1661-1675. [4]. Uzuner N, et al. The role of L-carnitine in treatment of a murine model of asthma. Acta Med Okayama. 2002 Dec;56(6):295-301.

Target

Human Endogenous Metabolite

Additional Information

[1]. Agarwal A, et al. Role of L-carnitine in female infertility. eprod Biol Endocrinol. 2018 Jan 26;16(1):5. [2]. Ferreira GC, et al. L-Carnitine and Acetyl-L-carnitine Roles and Neuroprotection in Developing Brain. Neurochem Res. 2017 Jun;42(6):1661-1675. [3]. Ferreira GC, et al. L-Carnitine and Acetyl-L-carnitine Roles and Neuroprotection in Developing Brain. Neurochem Res. 2017 Jun;42(6):1661-1675. [4]. Uzuner N, et al. The role of L-carnitine in treatment of a murine model of asthma. Acta Med Okayama. 2002 Dec;56(6):295-301.

Customs & Trade Information

HS Code	2923900090
Summary	2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of L-Carnitine hydrochloride?

The CAS number of L-Carnitine hydrochloride is 6645-46-1.

What are the molecular formula and molecular weight of L-Carnitine hydrochloride?

L-Carnitine hydrochloride has molecular formula C7H16ClNO3 and molecular weight 197.660 g/mol.

What are the upstream and downstream products of L-Carnitine hydrochloride?

For L-Carnitine hydrochloride, Upstream Products: Ethyl 4-chloro-3-hydroxybutanoate, Trimethylamine, (R)-3-cyano-2-hydroxy-N,N,N-trimethyl-1-propanaminium chloride; Downstream Products: O-Acetyl-L-carnitine hydrochloride, Propionyl-L-carnitine hydrochloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "L-Carnitine hydrochloride (CAS 6645-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1963339-7 (accessed 2026-11-09).

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