Diethylstilbestrol, mixture of cis and trans
Diethylstilbestrol, mixture of cis and trans (CAS: 6898-97-1) is a synthetic non-steroidal oestrogen with the molecular formula C18H20O2 and a molecular weight of 268.35. This compound serves as a critical internal standard in analytical chemistry, particularly for the detection and quantification of drug residues in biological samples. Its precise chemical nature and defined properties make it valuable for method development and validation in forensic and toxicological laboratories.
- IUPAC
- DES
- Synonyms
- DESDiethylstilboestrolcis- and trans-DiethylstilbestrolStilbestrol4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol, (E/Z)-3,4-Bis(p-hydroxyphenyl)-3-hexene
Analytical Standard
Diethylstilbestrol is utilised as an internal standard for the analysis of drug residues in biological fluids, such as urine. This application is crucial for accurate quantification in research and forensic settings.
Chromatographic Method Development
It serves as a reference compound in the development and validation of chromatographic techniques, including HPLC coupled with UV and mass spectrometry detectors. This aids in establishing reliable analytical protocols.
Research Chemical
As a well-characterised molecule, Diethylstilbestrol is employed in various chemical synthesis and biological research endeavours, contributing to advancements in medicinal chemistry and endocrinology studies.
| Molecular weight | 268.35 |
|---|---|
| Empirical formula | C18H20O2 |
| Assay | 97% |
| Application | Diethylstilbestrol was used as internal standard for the analysis of drug residues in urine of rats and calves by on-line HPLC with ultraviolet and continuous-flow fast atom bombardmentmass spectrometry detectors1. |
| Melting point | 170-172 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H350May cause cancer
- H360May damage fertility or the unborn child
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 45-61-36/37/38-51/53 |
| Safety statements (S) | 53-36/37/39-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... ESR1(2099), ESR2(2100), ESRRG(2104)mouse ... Esr1(13982)rat ... Ar(24208), Esr1(24890) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Diethylstilbestrol, mixture of cis and trans used for?
+
Diethylstilbestrol, mixture of cis and trans (CAS: 6898-97-1) is primarily used as an internal standard for the analysis of drug residues in biological samples, such as urine of rats and calves, employing techniques like HPLC with UV and mass spectrometry detection.
What are the CAS number and formula for Diethylstilbestrol, mixture of cis and trans?
+
The CAS number for Diethylstilbestrol, mixture of cis and trans is 6898-97-1, and its empirical formula is C18H20O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Diethylstilbestrol, mixture of cis and trans with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should Diethylstilbestrol, mixture of cis and trans be handled safely?
+
Diethylstilbestrol, mixture of cis and trans is classified with Danger signal word and carries hazard statements H315, H319, H335, H350, H360, and H410. Handling requires appropriate personal protective equipment including eyeshields, gloves, and suitable respiratory protection (e.g., P3 filter or N100 respirator). It is essential to avoid exposure and ensure proper ventilation. Consult the SDS for detailed safety information.
How is this chemical packed, shipped, and exported?
+
This chemical is packed and shipped according to relevant UN 3077 regulations for environmentally hazardous substances. Tech Serve Solutions is experienced in global export procedures for fine chemicals.
How can I request a sample or quote for Diethylstilbestrol, mixture of cis and trans?
+
To request a sample or obtain a quote for Diethylstilbestrol, mixture of cis and trans, please contact our sales team via the website or email, providing your specific requirements and shipping details.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis