DL-Estradiol (CAS 17916-67-5) — formula C18H24O2, molecular weight 272.4; category organic chemicals.
DL-Estradiol (CAS 17916-67-5) is a chemical raw material in the organic chemicals category. Its molecular formula C18H24O2 comprises 18 C, 24 H, 2 O atoms. Its molecular weight is about 272.4. Reported physicochemical data: melting point around 173, boiling point around 445.9±45.0, LogP about 4.01. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 17916-67-5 |
|---|---|
| Molecular Formula | C18H24O2 |
| Molecular Weight | 272.4 |
| Melting Point | 173 |
| Boiling Point | 445.9±45.0 |
| LogP | 4.01 |
| Applications | MEDICATION, Use (kg, approx.) in Germany (2009): >250, Use (kg) in USA (2002): 515, Consumption (g per capita, approx.) in Germany (2009): 0.00305 |
| Category | Organic Chemicals |
Documented applications: MEDICATION, Use (kg, approx.) in Germany (2009): >250, Use (kg) in USA (2002): 515, Consumption (g per capita, approx.) in Germany (2009): 0.00305.
DL-Estradiol is a carbon-based organic compound with CAS registry number 17916-67-5 and molecular formula C18H24O2 (molecular weight 272.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 17916-67-5
Its molecular formula C18H24O2 comprises 18 C, 24 H, 2 O atoms.
Also known as: DL-Estradiol · DL-雌二醇
Category: organic chemicals
The CAS registry number of DL-Estradiol is 17916-67-5.
Molecular formula C18H24O2, molecular weight 272.4.
It is also registered under: DL-Estradiol, DL-雌二醇.
Recorded applications: MEDICATION, Use (kg, approx.) in Germany (2009): >250, Use (kg) in USA (2002): 515, Consumption (g per capita, approx.) in Germany (2009): 0.00305.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for DL-Estradiol (CAS 17916-67-5), compiled from public chemistry databases.
| CAS Registry Number | 17916-67-5 |
|---|---|
| PubChem CID | 5757 |
| Molecular formula | C18H24O2 |
| IUPAC name | (8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol |
| UNII (FDA) | 4TI98Z838E |
| Molecular Weight | 272.4 |
|---|---|
| XLogP3 | 4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 272.177630004 |
| Monoisotopic Mass | 272.177630004 |
| Topological Polar Surface Area | 40.5 |
| Heavy Atom Count | 20 |
| Boiling Point | 445.9±45.0 |
|---|---|
| Melting Point | 173 |
| Melting Point | 178.5 °C |
| Melting Point | 178-179 °C |
| Solubility | 3.6 |
| Solubility | In water, 3.90 mg/L at 27 °C |
| Solubility | 0.0036 mg/mL |
| LogP | 4.01 |
| LogP | 3.15 |
| Dissociation Constants | 10.46±0.03 |
estradiol; beta-Estradiol; 50-28-2; 17beta-Estradiol; Oestradiol; Estrace; Dihydrofolliculin; Aquadiol; Diogynets; Divigel; Vivelle; Diogyn; Dihydrotheelin; Dihydroxyestrin; Dimenformon; Estraderm
| Regulatory & Food Contact | PRODUCTION_AID: Veterinary Drug 0-50 ng/kg bw TRS 893-JECFA 52/57 FAS 43-JECFA 52/43 |
|---|
| Reported hazard statements | H350 (39.6%), H351 (57.9%), H360 (82.4%), H362 (32.7%), H372 (34.6%), H400 (30.8%), H410 (36.5%) |
|---|
H350 (39.6%): May cause cancer [Danger Carcinogenicity]
H351 (57.9%): Suspected of causing cancer [Warning Carcinogenicity]
DL-Estradiol · CAS 17916-67-5 · C18H24O2. UNII 4TI98Z838E. Boiling Point: 445.9±45.0; Melting Point: 173; Melting Point: 178.5 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: DL-雌二醇