Molekula
Alfacalcidol
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
Alfacalcidol is a synthetic vitamin D analog used in the treatment of hypocalcemia and renal osteodystrophy. It is a fat-soluble compound with the molecular formula C27H44O2 and a molecular weight of 400.64 g/mol. It has a CAS number of 41294-56-8 and must be stored at 2 to 8 °C. The substance is classified as Danger. Molekula supplies Alfacalcidol 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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5 mg — £124.70 per pack ex VAT · £149.64 inc. VAT
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25 mg — £310.00 per pack ex VAT · £372.00 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 almost white crystalline powder |
| Assay | 97 - 102% |
| Purity | >99% |
| Total Impurities | <1.0% |
| Other unknown single impurity | <0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 136 °C |
Source: PubChem CID 5282181 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 49664752 |
| CAS Number | 41294-56-8 |
| IUPAC Name | trans-(1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol |
| EC Number | 255-297-1 |
| Molecular Formula | C27H44O2 |
| Molecular Weight | 400.64 |
| Exact Mass | 400.3341 |
| SMILES | C[C@H](CCCC(C)C)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](C[C@@H](C3=C)O)O)C |
| InChIKey | OFHCOWSQAMBJIW-AVJTYSNKSA-N |
| InChI | InChI=1S/C27H44O2/c1-18(2)8-6-9-19(3)24-13-14-25-21(10-7-15-27(24,25)5)11-12-22-16-23(28)17-26(29)20(22)4/h11-12,18-19,23-26,28-29H,4,6-10,13-17H2,1-3,5H3/b21-11+,22-12-/t19-,23-,24-,25+,26+,27-/m1/s1 |
| PubChem CID | 5282181 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| Tariff Code | 2936290000 |
Safety & GHS
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Toxic
GHS06
Hazard statements
- H300 +H310 + H330 Fatal if swallowed, in contact with skin or if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P310 Immediately call a POISON CENTER or doctor/physician
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
- 1-Hydroxycholecalciferol
- 1-Hydroxyvitamin D3
- 1alpha-Hydroxycholecalciferol
- 1alpha-Hydroxyvitamin D3
- Alfarol
- Alphacalcidol
- Alsiodol
- Bondiol
- EinsAlpha
- Oxydevit
Frequently asked questions
What is Alfacalcidol used for?
Alfacalcidol is used to treat hypocalcemia and vitamin D deficiency, particularly in patients with renal impairment or secondary hyperparathyroidism.
What is the chemical formula and molecular weight of Alfacalcidol?
The chemical formula is C27H44O2 with a molecular weight of 400.64 g/mol.
How should Alfacalcidol be stored?
Alfacalcidol should be stored at 2 to 8 °C and protected from light.
What grade of Alfacalcidol does Molekula supply?
Molekula supplies Alfacalcidol in research-grade purity suitable for laboratory use.
Can Molekula supply Alfacalcidol in bulk quantities?
Yes, Molekula can supply Alfacalcidol in bulk quantities—please contact our sales team for custom order details.
What documentation comes with an Alfacalcidol order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.