Molekula
Vitamin D3 (Cholecalciferol)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Vitamin D3 (Cholecalciferol) is a fat-soluble vitamin essential for calcium absorption and bone health, widely used in nutritional supplements and pharmaceuticals. It has a CAS number of 67-97-0, molecular formula C27H44O, and a molecular weight of 384.64 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies Vitamin D3 (Cholecalciferol) 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 — £29.50 per pack ex VAT · £35.40 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 crystalline powder |
| Melting Point | 82 - 87°C |
| Specific rotation | +105° to +112° |
| Assay | ≥ 97.0% |
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 |
|---|---|
| Appearance | White crystals |
| Odour | Odorless |
| Melting Point | 84.5 °C |
Source: PubChem CID 5280795 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 28904887 |
| CAS Number | 67-97-0 |
| IUPAC Name | (1S,3Z)-3-[(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-methylidenecyclohexan-1-ol |
| EC Number | 200-673-2 |
| Molecular Formula | C27H44O |
| Molecular Weight | 384.64 |
| Exact Mass | 384.3392 |
| SMILES | C[C@H](CCCC(C)C)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](CCC3=C)O)C |
| InChIKey | QYSXJUFSXHHAJI-YRZJJWOYSA-N |
| InChI | InChI=1S/C27H44O/c1-19(2)8-6-9-21(4)25-15-16-26-22(10-7-17-27(25,26)5)12-13-23-18-24(28)14-11-20(23)3/h12-13,19,21,24-26,28H,3,6-11,14-18H2,1-2,4-5H3/b22-12+,23-13-/t21-,24+,25-,26+,27-/m1/s1 |
| PubChem CID | 5280795 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 29362950 |
| 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
- H372 Causes damage to organs through prolonged or repeated exposure
- USH01 May form combustible dust concentrations in air
Precautionary statements
- P201 Obtain special instructions before use
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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, 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
- Arachitol
- Calciol
- cholecalciferol
- Colecalciferol
- Deparal
- Oleovitamin D3
- Ricketon
- Trivitan
- Vigorsan
- Vitamin D3
Frequently asked questions
What is Vitamin D3 (Cholecalciferol) used for?
Vitamin D3 is used in dietary supplements, pharmaceuticals, and fortified foods to support bone health and immune function.
What is the chemical formula and molecular weight of Vitamin D3?
The formula is C27H44O with a molecular weight of 384.64 g/mol.
How should Vitamin D3 be stored?
Store at 2 to 8 °C in a cool, dark place to maintain stability and prevent degradation.
What grade of Vitamin D3 is available?
Molekula supplies Vitamin D3 in pharmaceutical and food-grade quality, suitable for supplement and fortified food applications.
Can Molekula supply Vitamin D3 in bulk?
Yes, Molekula offers bulk quantities of Vitamin D3 for industrial and commercial use.
What documentation comes with a Vitamin D3 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.