17-alpha-Methyl-5-androstene-3-beta,17-beta-diol
Methandriol
CAS: 521-10-8
Molecular Formula: C20H32O2
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Names and Identifiers
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Physico-chemical Properties
| Molecular Formula | C20H32O2 |
| Molar Mass | 304.47 |
| Density | 1.0279 (rough estimate) |
| Melting Point | 205 °C |
| Boling Point | 385.28°C (rough estimate) |
| Specific Rotation(α) | D20 -73° (alc) |
| Color | Crystals from ethyl acetate |
| Merck | 5950 |
| pKa | 15.01±0.70(Predicted) |
| Refractive Index | -75 ° (C=1, EtOH) |
| Physical and Chemical Properties | Chemical nature crystallization (ethyl acetate). Melting point 205.5-206.5 ℃. [α]20/D-73 (ethanol). Slightly soluble in some organic solvents, insoluble in water. |
| Use | Use an intermediate of methyl testosterone. |
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S16 - Keep away from sources of ignition. S23 - Do not breathe vapour. S36 - Wear suitable protective clothing. |
| UN IDs | 3249 |
| RTECS | BV8100000 |
| HS Code | 29061990 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Upstream Downstream Industry
| Raw Materials | Iodomethane Dehydroepiandrosterone acetate |
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Production method
The product is prepared by the addition reaction of dehydroepiandrosterone acetate and methyl iodide-magnesium (Grignard reagent), and then hydrolyzed.
Last Update：2024-04-10 22:29:15
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Security information
| RTECS number | BV8100000 |
| HazardClass | 6.1( B ) |
| PackingGroup | III |
| customs code | 29061990 |
Last Update：2024-04-10 22:29:15
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Reference Information
| Chemical properties | crystals (ethyl acetate). Melting point 205.5-206.5 °c. [Α] D-73 ° (ethanol). Slightly soluble in some organic solvents, insoluble in water. |
| Use | an intermediate of methyl testosterone. |
| production method | addition reaction of dehydroepiandrosterone acetate with methyl iodide-magnesium (Grignard reagent), the product is then prepared by hydrolysis. |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
Last Update：2024-04-09 21:11:58
17-alpha-Methyl-5-androstene-3-beta,17-beta-diol - Nature
| specific rotation | D20 -73° (alc) |
| acidity coefficient (pKa) | 15.01±0.70(Predicted) |
| color | Crystals from ethyl acetate |
| Merck | 5950 |
| NIST chemical information | Methandriol(521-10-8) |
Last Update：2024-04-09 01:59:50
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Product Name: Mestanolone Impurity 2 (Methandriol) Request for quotation
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
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Raw Materials for 17-alpha-Methyl-5-androstene-3-beta,17-beta-diol