L-Carnitine inner salt
L-Carnitine inner salt (CAS 541-15-1) is a quaternary ammonium compound with the molecular formula (CH₃)₃N⁺CH₂CH(OH)CH₂COO⁻ and a molecular weight of 161.20. Synthetically produced, it plays a vital role in cellular energy metabolism by facilitating fatty acid transport into mitochondria for oxidation. This compound is a key research chemical in fields including cell biology and nutrition research.
- IUPAC
- (−)-(R)-3-Hydroxy-4-(trimethylammonio)butyrate,Vitamin BT
- Synonyms
- (−)-(R)-3-Hydroxy-4-(trimethylammonio)butyrateVitamin BT

Cell Biology Research
Utilised in studies focusing on cellular energy production and mitochondrial function. Its role in fatty acid transport makes it invaluable for understanding metabolic pathways at a cellular level.
Nutrition Research
Investigated for its physiological roles in energy metabolism and potential applications in nutritional science. It is a subject of study in various biochemical and metabolic research contexts.
Biochemical Studies
Employed as a reagent in diverse biochemical research to explore enzymatic pathways and metabolic processes. Its synthetic origin ensures consistent quality for laboratory applications.
| Molecular weight | 161.20 |
|---|---|
| Linear formula | (CH3)3N+CH2CH(OH)CH2COO- |
| Assay | ≥98% |
| Biological source | synthetic |
| Melting point | 197-212 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Carnitine inner salt used for?
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L-Carnitine inner salt is primarily used in cell biology and nutrition research for its role in cellular energy metabolism, specifically in the transport of fatty acids into mitochondria for oxidation.
What is the CAS number and formula for L-Carnitine inner salt?
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The CAS number for L-Carnitine inner salt is 541-15-1. Its linear formula is (CH₃)₃N⁺CH₂CH(OH)CH₂COO⁻.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Carnitine inner salt with an assay of ≥98%. We do not represent this product as USP, BP, or EP grade.
How should L-Carnitine inner salt be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation, as it may cause skin, eye, and respiratory irritation (H315, H319, H335).
How is L-Carnitine inner salt packed, shipped, and exported?
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L-Carnitine inner salt is carefully packed to maintain its integrity during transit. Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all necessary regulations.
How can I request a sample or quote for L-Carnitine inner salt?
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To request a sample or quote, please contact our sales team through the website or by phone, providing the product name and CAS number (541-15-1).
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