| Product No. | ST044 |
|---|---|
| CAS Reg. No. | 350820-06-3 |
| Alternate CAS Reg. No. | 57-63-6 (unlabelled compound) |
| Offer | 5 mg, 10 mg |
350820-06-3
- Documentation
- Details
Chemical name
(17α)-19-Norpregna-1,3,5(10)-trien-20-yne-2,4,16,16-D4-3,17-diol
Description
17α-Ethynylestradiol-D4 (CAS 350820-06-3) is a premium reference standard produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH. It supports estrogen residue analysis and enables reliable LC-MS/MS and GC-MS quantification. Use it to build solid calibration, ensure traceability, streamline method validation, and perform confirmatory analysis with confidence.
This deuterated analog of 17alpha-Ethynylestradiol offers consistent response factors and predictable retention behavior. Laboratories achieve accurate identification and precise quantification across complex matrices. The material comes from WITEGA Laboratorien Berlin-Adlershof GmbH, known for rigorous documentation and batch consistency. You can integrate the reference standard directly into routine workflows without lengthy re-optimization.
Designed for performance-driven analytical work, this reference standard supports screening and targeted determination in diverse applications. It fits multi-residue strategies and single-compound assays alike. Analysts can verify linearity, assess recovery, and monitor instrument performance over time.
- Optimized for LC-MS/MS and GC-MS workflows
- Supports calibration curves and ongoing traceability
- Enables method validation and confirmatory analysis
- Suitable for water, food, feed, and pharmaceutical matrices
- Stable and consistent deuterated composition for robust quantification
Typical use cases include regulated laboratories focusing on compliance, pharmaceutical research exploring metabolism and transformation products, residue control programs in environmental monitoring, and multi-residue method development projects. The reference standard helps verify specificity and recovery in challenging matrices. It also supports proficiency testing and long-term quality control trends. Select 17α-Ethynylestradiol-D4 (CAS 350820-06-3) when you need dependable performance, comprehensive documentation, and support from WITEGA Laboratorien Berlin-Adlershof GmbH.
Safety Data Sheet
You can download your Safety Data Sheet for ST044
For other languages please contact us: witega@witega.de
Additional information
| Chemical name | (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-2,4,16,16-D4-3,17-diol |
|---|---|
| Molecular Formula | C20H20D4O2 |
| Molecular Weight | 300.43 g/mol |
| Isotopic purity | >95.0 atom% D (MS) |
| HPLC purity | > 99.0 % |
| Overall purity | > 99.0 % (HPLC) |
| Product Format | Neat |
| Delivery time | In stock |
| shelf life | 24 months |
| Storage | refrigerator, 2-8°C |
| Country of Origin | Germany |
| Product No. | ST044 |
| CAS Reg. No. | 350820-06-3 |
| Alternate CAS Reg. No. | 57-63-6 (unlabelled compound) |
| Offer | 5 mg, 10 mg |




