Molekula
Calcitriol
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
Calcitriol is the active form of vitamin D3, used in research and clinical settings to study calcium metabolism, bone health, and immune regulation. It is a steroidal hormone with the molecular formula C27H44O3 and a molecular weight of 416.64 g/mol. Available in powder form, it must be stored at -15 to -20 °C. Hazardous: signal word Danger. Molekula supplies Calcitriol 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 — £322.50 per pack ex VAT · £387.00 inc. VAT
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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 powder |
| Heavy metals | ≤20ppm |
| Identification | Conforms |
| Loss on Drying | ≤0.5% |
| Solubility | Conforms |
| Assay | 97.0% - 103.0% |
| Purity | ≥99.0% |
| Residue on Ignition | ≤0.1% |
| Total Impurities | ≤1.0% |
| Triazoline adduct of pre-calcitriol | ≤0.5% |
| Trans-calcitriol | ≤0.5% |
| 1ß-calcitriol | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Transport Class | 6.1 |
| Packing Group | I |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless, crystalline solid |
| Melting Point | 111-115 °C |
Source: PubChem CID 5280453 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 76159527 |
| CAS Number | 32222-06-3 |
| IUPAC Name | trans-(1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol |
| EC Number | 250-963-8 |
| Molecular Formula | C27H44O3 |
| Molecular Weight | 416.64 |
| Exact Mass | 416.329 |
| SMILES | C[C@H](CCCC(C)(C)O)[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 | GMRQFYUYWCNGIN-NKMMMXOESA-N |
| InChI | InChI=1S/C27H44O3/c1-18(8-6-14-26(3,4)30)23-12-13-24-20(9-7-15-27(23,24)5)10-11-21-16-22(28)17-25(29)19(21)2/h10-11,18,22-25,28-30H,2,6-9,12-17H2,1,3-5H3/b20-10+,21-11-/t18-,22-,23-,24+,25+,27-/m1/s1 |
| PubChem CID | 5280453 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 2936.29.50.50 |
| Tariff Code | 2936290000 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- H300 +H310 + H330 Fatal if swallowed, in contact with skin or if inhaled
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P201 Obtain special instructions before use
- 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
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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
- 1alpha,25-Dihydroxycholecalciferol
- 1alpha,25-Dihydroxyvitamin D3
- Calcijex
- Calcitriolum
- Dihydroxyvitamin D3
- Rocaltrol
- Silkis
- Soltriol
- Topitriol
- Vectical
Frequently asked questions
What is Calcitriol used for?
Calcitriol is used in research and pharmaceutical applications, primarily for studying vitamin D metabolism and treating conditions like hypoparathyroidism and renal osteodystrophy.
What is the chemical formula and molecular weight of Calcitriol?
The formula is C27H44O3 with a molecular weight of 416.64 g/mol.
How should Calcitriol be stored?
Calcitriol should be stored at temperatures between -15 and -20 °C to maintain stability.
What grade of Calcitriol does Molekula supply?
Molekula supplies Calcitriol in research grade, suitable for laboratory use.
Can Molekula supply Calcitriol in bulk quantities?
Yes, Molekula can supply Calcitriol in bulk; please contact our sales team for volume pricing and availability.
What documentation comes with a Calcitriol order?
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.