Molekula
Tretinoin
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
Tretinoin is a retinoid used in dermatology for treating acne, photoaging, and certain skin cancers. It functions by promoting skin cell turnover and reducing comedone formation. Available as a powder with a CAS number of 302-79-4, molecular formula C20H28O2, and molecular weight of 300.44 g/mol. Store at -15 to -20 °C. Hazardous: signal word Danger. Molekula supplies Tretinoin 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.
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1 g — £45.10 per pack ex VAT · £54.12 inc. VAT
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5 g — £99.70 per pack ex VAT · £119.64 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 | yellow or light orange crystalline powder |
| Heavy metals | ≤ 0.002% |
| Loss on Drying | ≤ 0.5% |
| Assay | 98.0 - 102.0% |
| Residue on Ignition | ≤ 0.1% |
| Isotretinoin | ≤ 5.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Yellow to light-orange crystalline powder |
| Odour | Floral odor (powder form) |
| Melting Point | 180-182 °C |
| Water Solubility | Practically insoluble in water |
| Solubility (other solvents) | Soluble in ether; slightly soluble in ... chloroform |
| log P (octanol/water) | 6.30 |
Source: PubChem CID 444795 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 18088925 |
| CAS Number | 302-79-4 |
| IUPAC Name | (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenoic acid |
| EC Number | 206-129-0 |
| Molecular Formula | C20H28O2 |
| Molecular Weight | 300.44 |
| Exact Mass | 300.2089 |
| SMILES | CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C(=O)O)/C)/C |
| InChIKey | SHGAZHPCJJPHSC-YCNIQYBTSA-N |
| InChI | InChI=1S/C20H28O2/c1-15(8-6-9-16(2)14-19(21)22)11-12-18-17(3)10-7-13-20(18,4)5/h6,8-9,11-12,14H,7,10,13H2,1-5H3,(H,21,22)/b9-6+,12-11+,15-8+,16-14+ |
| PubChem CID | 444795 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29362100 |
| Tariff Code | 2936210000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H360FD May damage fertility. May damage the unborn child.
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- Aberel
- all-trans-Retinoic acid
- all-trans-Vitamin A acid
- ATRA
- Dermairol
- Eudyna
- Renova
- Retinoic acid
- trans-Retinoic acid
- Vitamin A acid
Frequently asked questions
What is Tretinoin used for?
Tretinoin is primarily used in dermatology for treating acne and photoaging, and is also studied for its potential in cancer research.
What is the chemical formula and molecular weight of Tretinoin?
The chemical formula is C20H28O2 with a molecular weight of 300.44 g/mol.
How should Tretinoin be stored?
Tretinoin must be stored at temperatures between -15 to -20 °C to maintain stability and prevent degradation.
What grade of Tretinoin does Molekula supply?
Molekula supplies Tretinoin in research-grade purity, suitable for laboratory use.
Can Molekula supply Tretinoin in bulk quantities?
Yes, Molekula can supply Tretinoin in bulk quantities—please contact our sales team for volume pricing and availability.
What documentation comes with a Tretinoin order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
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.