Molekula
Naltrexone hydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Naltrexone hydrochloride is a synthetic opioid receptor antagonist used in the treatment of alcohol and opioid dependence. It is available as a white to off-white crystalline powder. CAS: 16676-29-2, Molecular formula: C20H23NO4 · HCl, Molecular weight: 377.86 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Naltrexone hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
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.
-
100 mg — £76.20 per pack ex VAT · £91.44 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 or off- white crystalline powder |
| Grade | USP35 |
| Water | ≤ 11.0% |
| Heavy metals | ≤0.001% |
| Residue on Ignition | ≤ 0.10% |
| Specific optical rotation | -187°~-197° |
| Residual Solvents | Methanol ≤ 2000ppm Acetone ≤ 1000ppm |
| Assay HPLC | 98%~102%(on anhydrous and solvent-free basis) |
| Related substance (HPLC) | Any single impurity≤0.5% - Total impurity≤1% |
| Content of Chloride | 9.2%~9.58%(on anhydrous and solvent-free basis) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 36434412 |
| CAS Number | 16676-29-2 |
| IUPAC Name | (4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one;hydrochloride |
| EC Number | 240-723-0 |
| Molecular Formula | C20H23NO4 · HCl |
| Molecular Weight | 377.86 |
| Exact Mass | 377.1394 |
| SMILES | C1CC1CN2CC[C@]34[C@@H]5C(=O)CC[C@]3([C@H]2CC6=C4C(=C(C=C6)O)O5)O.Cl |
| InChIKey | RHBRMCOKKKZVRY-ITLPAZOVSA-N |
| InChI | InChI=1S/C20H23NO4.ClH/c22-13-4-3-12-9-15-20(24)6-5-14(23)18-19(20,16(12)17(13)25-18)7-8-21(15)10-11-1-2-11;/h3-4,11,15,18,22,24H,1-2,5-10H2;1H/t15-,18+,19+,20-;/m1./s1 |
| PubChem CID | 5485201 |
| REACH Code | Y110 |
| HTS Code | 2939192000 |
| Tariff Code | 2939190000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H341 Suspected of causing genetic defects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Synonyms
- CONTRAVE COMPONENT NALTREXONE HYDROCHLORIDE
- Depade
- En 1639A
- EN-1639A (AS HYDROCHLORIDE)
- N-Cyclopropylmethyl-noroxymorphone hydrochloride
- Naltrexone Hcl
- ReVia
- Trexan
- Trexonil
- TROXYCA COMPONENT NALTREXONE HYDROCHLORIDE
Frequently asked questions
What is Naltrexone hydrochloride used for?
Naltrexone hydrochloride is primarily used in the treatment of opioid and alcohol dependence by blocking the effects of opioids and reducing cravings.
What is the chemical formula and molecular weight of Naltrexone hydrochloride?
The formula is C20H23NO4 · HCl with a molecular weight of 377.86 g/mol.
How should Naltrexone hydrochloride be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Naltrexone hydrochloride does Molekula supply?
Molekula supplies Naltrexone hydrochloride in research grade, suitable for laboratory use.
Can Molekula supply Naltrexone hydrochloride in bulk quantities?
Yes, Molekula can supply Naltrexone hydrochloride in bulk; please contact our sales team for volume pricing and availability.
What documentation comes with an order of Naltrexone hydrochloride?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
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.