7-Dehydrocholesterol, ≥95% (HPLC)
Buy 7-Dehydrocholesterol, ≥95% (HPLC) (CAS 434-16-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 1 g.
About 7-Dehydrocholesterol, ≥95% (HPLC)
7-Dehydrocholesterol, ≥95% (HPLC) sits in our alcohols & Polyols section and ships worldwide from stock or short lead time. Key data (≥95%): CAS 434-16-2, formula C27H44O and molar mass 384.6 g/mol. Typical appearance is white to yellow powder to crystals.
Use cases we see most often
- Organic synthesis
- API synthesis
Handling and storage
Recommended storage temperature is 2–8 °C. Physical constants on file: melting point 148-152 °C. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Order it in 1 g, 5 g, 25 g and 1 kg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- API synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | 7-Dehydrocholesterol, ≥95% (HPLC) |
|---|---|
| Catalogue number | ZX-009079 |
| CAS number | 434-16-2 |
| IUPAC name | (3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol |
| Molecular formula | C27H44O |
| Molar mass | 384.6 g/mol |
| Exact mass | 384.3392 |
| Purity / assay | ≥95% |
| Physical form | Crystalline |
| Appearance | White to yellow powder to crystals |
| Melting point | 148-152 °C |
| XLogP3 | 8 |
| H-bond donors / acceptors | 1 / 1 |
| Topological polar surface area | 20.2 Ų |
| Storage | 2–8 °C |
| HS code | 29241900 |
| InChIKey | UCTLRSWJYQTBFZ-DDPQNLDTSA-N |
| SMILES | C[C@H](CCCC(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC=C4[C@@]3(CC[C@@H](C4)O)C)C |
| PubChem CID | 439423 |
| Synonyms | (−)-7-Dehydrocholesterol, 3β-Hydroxy-5,7-cholestadiene, 5,7-Cholestadien-3β-ol, Cholesta-5,7-dien-3beta-ol, 7,8-Didehydrocholesterol, (3beta)-Cholesta-5,7-dien-3-ol, 7-DHC, 5,7-Cholestadien-3-beta-ol, cholesta-5,7-dien-3 beta-ol, Cholesta-5,7-dien-3-ol, (3beta)-, provitamin D(3), Dehydrocholesterol |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
- H413May cause long lasting harmful effects to aquatic life
Precautionary statements P273, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 1 g | Quoted on request | |
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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