Molekula
Synephrine tartrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Synephrine tartrate is a naturally occurring alkaloid derived from citrus fruits, primarily used as a stimulant in dietary supplements, weight loss formulations, and metabolic support products. It promotes fat oxidation and increases energy expenditure, often marketed as a key ingredient in fat burners and athletic performance aids. This chemical has a CAS number of 16589-24-5, a molecular formula of C13H19NO8, and a molecular weight of 317.29186. It requires no special storage conditions, remaining stable at ambient temperatures, and carries no signal word for hazard classification.
Molekula supplies Synephrine tartrate at >99% purity in 5 g packs, from £54.12 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and a safety data sheet is available. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £45.10 per pack ex VAT · £54.12 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Melting Point | 183 - 187 Deg C |
| Specific rotation | 11 to 15 |
| Heavy metals | <10ppm |
| Total plate count | <1000cfu/g |
| pH | 5 - 6.5 |
| Loss on Drying | <0.5% |
| Assay | >99% |
| Sulphated Ash | <0.1% |
| Cadmium (Cd) | <1ppm |
| Iron (Fe) | <5ppm |
| Lead (Pb) | <3ppm |
| Mercury (Hg) | <0.1ppm |
| Arsenic (As) | <1ppm |
| Mould & Yeast | <100cfu/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89983022 |
| CAS Number | 16589-24-5 |
| IUPAC Name | (2R,3R)-2,3-dihydroxybutanedioic acid;bis(4-[1-hydroxy-2-(methylamino)ethyl]phenol) |
| EC Number | 200-642-3 |
| Molecular Formula | C13H19NO8 |
| Molecular Weight | 317.29186 |
| Exact Mass | 484.2057 |
| SMILES | CNCC(C1=CC=C(C=C1)O)O.CNCC(C1=CC=C(C=C1)O)O.[C@@H]([C@H](C(=O)O)O)(C(=O)O)O |
| InChIKey | KZZBAIXGUQOHKI-CEAXSRTFSA-N |
| InChI | InChI=1S/2C9H13NO2.C4H6O6/c2*1-10-6-9(12)7-2-4-8(11)5-3-7;5-1(3(7)8)2(6)4(9)10/h2*2-5,9-12H,6H2,1H3;1-2,5-6H,(H,7,8)(H,9,10)/t;;1-,2-/m..1/s1 |
| PubChem CID | 101532 |
| REACH Code | Y110 |
| HTS Code | 29225000 |
| Tariff Code | 2922500090 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (2R,3R)-2,3-dihydroxybutanedioic acid;4-[1-hydroxy-2-(methylamino)ethyl]phenol
- Cardiodinamin
- Corvasymton
- Oxedrine tartrate
- Simpadren
- Sympacor
- Sympalept
- Sympathomim
- Sympatizin
- Synephrine hemitartrate
Frequently asked questions
What is synephrine tartrate used for?
Synephrine tartrate is primarily used as a stimulant and decongestant in dietary supplements, often for weight loss and metabolic support, due to its adrenergic properties.
What is the molecular formula and molecular weight of synephrine tartrate?
The molecular formula is C₁₃H₁₉NO₈, and the molecular weight is 317.29 g/mol.
How should synephrine tartrate be stored?
Store synephrine tartrate at ambient temperature in a dry, well-ventilated area, away from direct sunlight and moisture.
What grades or purity levels are available for synephrine tartrate?
Molekula supplies synephrine tartrate with a specified assay of >99%, suitable for dietary supplements and research applications.
Can Molekula supply synephrine tartrate in bulk quantities?
Yes, we offer synephrine tartrate in bulk packaging, including drums (25kg) and smaller containers, depending on order volume.
What documentation comes with an order of synephrine tartrate?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability and compliance.
Where can I buy Synephrine tartrate?
Directly from Molekula, which lists Synephrine tartrate in 5 g packs from £54.12 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.