7-Dehydrocholesterol, ≥95% (HPLC)
Synonyms: (−)-7-Dehydrocholesterol · 3β-Hydroxy-5,7-cholestadiene · 5,7-Cholestadien-3β-ol · Cholesta-5,7-dien-3beta-ol
7-Dehydrocholesterol (CAS 434-16-2) – alcohol building block, ≥95%. C27H44O, MW 384.6. Supplied by Vaqora Chemicals with COA, exported worldwide.
About 7-Dehydrocholesterol, ≥95% (HPLC)
Listed under CAS 434-16-2, 7-Dehydrocholesterol is an alcohol building block available from Vaqora Chemicals with a typical assay of ≥95%. Its molecular formula is C27H44O and its molecular weight is 384.6 g/mol. Alternative names: (−)-7-Dehydrocholesterol and 3β-Hydroxy-5,7-cholestadiene.
The material typically appears as white to yellow powder to crystals. Literature values give a melting point of 148-152 °C. Store it at 2–8 °C, in a tightly closed container. Handle it with standard laboratory precautions and appropriate personal protective equipment.
Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.
Standard pack sizes are 1 g, 5 g, 25 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation.
Typical applications
- Organic synthesis
- API synthesis
Industries
Grade guides
Specifications & identifiers
| Product name | 7-Dehydrocholesterol, ≥95% (HPLC) |
|---|---|
| Catalogue No. | VQ-010021 |
| 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 |
| Molecular weight | 384.6 g/mol |
| Exact mass | 384.3392 |
| Purity / assay | ≥95% |
| HSN 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 |
| Physical form | Crystalline |
|---|---|
| Appearance | White to yellow powder to crystals |
| Melting point | 148-152 °C |
| LogP (XLogP3) | 8 |
| H-bond donors / acceptors | 1 / 1 |
| TPSA | 20.2 Ų |
| Storage | 2–8 °C |
| 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 |
Safety & hazard information (GHS)
Hazard statements
H413May cause long lasting harmful effects to aquatic life
Precautionary statements: P273, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 7-Dehydrocholesterol, ≥95% (HPLC)?
The CAS Registry Number of 7-Dehydrocholesterol, ≥95% (HPLC) is 434-16-2. It is also known as (−)-7-Dehydrocholesterol, 3β-Hydroxy-5,7-cholestadiene, 5,7-Cholestadien-3β-ol.
What is the molecular formula and molecular weight of 7-Dehydrocholesterol, ≥95% (HPLC)?
7-Dehydrocholesterol, ≥95% (HPLC) has the molecular formula C27H44O and a molecular weight of 384.6 g/mol. Its IUPAC name is (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.
Which grade and pack sizes of 7-Dehydrocholesterol, ≥95% (HPLC) can I order?
We supply 7-Dehydrocholesterol, ≥95% (HPLC) in (≥95%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 7-Dehydrocholesterol, ≥95% (HPLC)?
Yes. Every lot of 7-Dehydrocholesterol, ≥95% (HPLC) is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can 7-Dehydrocholesterol, ≥95% (HPLC) be shipped internationally?
Yes. We export 7-Dehydrocholesterol, ≥95% (HPLC) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
How should 7-Dehydrocholesterol, ≥95% (HPLC) be stored?
2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.
Enquire about 7-Dehydrocholesterol, ≥95% (HPLC)
We reply within one business day with price, pack options, lead time and documentation.