Molekula
Paclitaxel
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
Paclitaxel is a potent antineoplastic chemotherapy agent used primarily in the treatment of cancers such as ovarian, breast, and lung cancer. It works by stabilizing microtubules, preventing cell division. This chemical has a CAS number of 33069-62-4, with the molecular formula C47H51NO14 and a molecular weight of 853.91. It must be stored at -15 to -20 °C and carries a danger signal word due to its hazardous nature. Molekula supplies Paclitaxel 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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100 mg — $195.40 per pack
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1 g — $883.30 per pack
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 crystalline powder |
| Water | ≤4.0% |
| Specific rotation | -49~-55 ° |
| Heavy metals | ≤20ppm max |
| Identification | Conforms to specification |
| Acetone | ≤5000ppm |
| Assay | 97% - 102% (anhydrous substance) |
| Dichloromethane | ≤600ppm |
| Residue on Ignition | ≤0.2% |
| Total Impurities | ≤2.0% |
| Any other individual impurity | ≤0.1% (each) |
| 10-Deacetyl Baccatin III | ≤0.1% |
| Photodegradant | ≤0.1% |
| 10-deacetyl paclitaxel | ≤0.5% |
| 2-debenzoylpaclitaxel-2-pentenoate | ≤0.7% |
| 10-deacetyl-7-epi-paclitaxel | 0.4% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | 213-216 °C (decomposition) |
| Water Solubility | Insoluble in water |
Source: PubChem CID 36314 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 51350888 |
| CAS Number | 33069-62-4 |
| IUPAC Name | [(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4,12-diacetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1,9-dihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate |
| Molecular Formula | C47H51NO14 |
| Molecular Weight | 853.91 |
| Exact Mass | 853.331 |
| SMILES | CC1=C2[C@H](C(=O)[C@@]3([C@H](C[C@@H]4[C@]([C@H]3[C@@H]([C@@](C2(C)C)(C[C@@H]1OC(=O)[C@@H]([C@H](C5=CC=CC=C5)NC(=O)C6=CC=CC=C6)O)O)OC(=O)C7=CC=CC=C7)(CO4)OC(=O)C)O)C)OC(=O)C |
| InChIKey | RCINICONZNJXQF-MZXODVADSA-N |
| InChI | InChI=1S/C47H51NO14/c1-25-31(60-43(56)36(52)35(28-16-10-7-11-17-28)48-41(54)29-18-12-8-13-19-29)23-47(57)40(61-42(55)30-20-14-9-15-21-30)38-45(6,32(51)22-33-46(38,24-58-33)62-27(3)50)39(53)37(59-26(2)49)34(25)44(47,4)5/h7-21,31-33,35-38,40,51-52,57H,22-24H2,1-6H3,(H,48,54)/t31-,32-,33+,35-,36+,37+,38-,40-,45+,46-,47+/m0/s1 |
| PubChem CID | 36314 |
| REACH Code | Y110 |
| HTS Code | 2932.99.7000 |
| Tariff Code | 2932990090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
- H360FD May damage fertility. May damage the unborn child.
- H362 May cause harm to breast-fed children
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P302+P352 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
- Capxol
- Ebetaxel
- Genaxol
- Genetaxyl
- OncoGel
- Paxene
- Plaxicel
- TAXOL
- Taxol A
- Yewtaxan
Frequently asked questions
What is paclitaxel primarily used for?
Paclitaxel is primarily used as a chemotherapy medication to treat various cancers, including breast, ovarian, lung, and pancreatic cancers.
What is the chemical formula and molecular weight of paclitaxel?
The chemical formula is **C<sub>47</sub>H<sub>51</sub>NO<sub>14</sub>**, and the molecular weight is **853.91 g/mol**.
How should paclitaxel be stored?
Paclitaxel must be stored at **-15 to -20 °C** to maintain stability and potency.
What grades or purities of paclitaxel does Molekula supply?
Molekula supplies paclitaxel in **pharmaceutical-grade purity** suitable for research and clinical applications.
Can Molekula supply paclitaxel in bulk quantities?
Yes, Molekula can provide paclitaxel in bulk, with quantities tailored to meet research, development, or manufacturing needs.
What documentation is provided with a paclitaxel order?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation for traceability.
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.