Molekula
Cholecalciferol USP CRS
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
Cholecalciferol USP CRS is a certified reference standard of vitamin D3, essential for calcium absorption, bone health, and immune function. It is used in pharmaceutical formulations, dietary supplements, and clinical research to ensure product purity and accuracy. This high-purity standard has a CAS number of 67-97-0, molecular formula C27H44O, and a molecular weight of 384.64. Store at 2–8°C; it carries a **Danger** signal word due to potential hazards. Molekula supplies Cholecalciferol USP CRS 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 to Off-white powder |
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 | 90032710 |
| 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
-
Toxic
GHS06
-
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, English (US), 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 Cholecalciferol USP CRS primarily used for?
Cholecalciferol (Vitamin D3) USP CRS is primarily used as a reference standard for pharmaceutical testing, quality control, and analytical validation in vitamin D3 formulations.
What is the chemical formula and molecular weight of Cholecalciferol?
The chemical formula is **C₂₇H₄₄O** and the molecular weight is **384.64 g/mol**.
How should Cholecalciferol USP CRS be stored?
Store at **2–8°C** in a cool, dry place, protected from light and moisture. Avoid exposure to air to prevent degradation.
What grade of Cholecalciferol is available from Molekula?
Molekula supplies **USP Certified Reference Standard (CRS) grade**, meeting strict pharmaceutical and analytical standards for accuracy and purity.
Can Molekula supply Cholecalciferol USP CRS in bulk quantities?
Yes, Molekula can provide bulk quantities of Cholecalciferol USP CRS upon request, subject to availability and compliance with regulatory requirements.
What documentation is provided with a Cholecalciferol USP CRS order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **USP compliance documentation** to verify purity and authenticity.
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.