| Product No. | ST050 |
|---|---|
| CAS Reg. No. | not available |
| Alternate CAS Reg. No. | 50-23-7 (unlabelled compound) |
| Offer | 5 mg, 10 mg |
not available
- Documentation
- Details
Chemical name
(11β)-11,17,21-Trihydroxypregn-4-ene-3,20-dione-9,11,12-D3
Description
Cortisol-9,11,12-D3 reference standard enables precise mass spectrometric workflows. Produced and distributed by WITEGA Laboratorien Berlin-Adlershof GmbH, this stable isotope labelled steroid supports robust identification and quantification in complex matrices. You gain reliable performance in LC-MS/MS and GC-MS, from routine calibration to confirmatory analysis.
This reference standard delivers traceability through documented purity and lot-specific data. Use it to build calibration curves, verify linearity, and check accuracy over time. Moreover, it assists method validation steps, including selectivity, recovery, and matrix effects. Additionally, it strengthens analyte confirmation by matching retention time and ion ratios.
Key advantages include:
- High chemical purity and defined isotopic labeling at positions 9, 11, and 12.
- Compatibility with LC-MS/MS and GC-MS platforms across common mobile phases.
- Lot-to-lot consistency, certificates, and full traceability for audits.
- Suitable for calibration solutions, quality control samples, and system suitability tests.
Typical applications span regulated and research settings:
- Regulated laboratories performing routine residue control and proficiency testing.
- Pharmaceutical research focused on glucocorticoid metabolism studies.
- Development of multi-residue methods across biological and environmental matrices.
- Confirmatory analysis in forensic and clinical investigations.
Choose this reference standard to streamline transfer between methods and instruments. Therefore, comparability across studies improves, and data integrity remains strong. For ordering, documentation, and technical support, contact WITEGA. The Cortisol-9,11,12-D3 reference standard is prepared to meet the demands of modern mass spectrometry.
Safety Data Sheet
You can download your Safety Data Sheet for ST050
For other languages please contact us: witega@witega.de
Additional information
| Chemical name | (11β)-11,17,21-Trihydroxypregn-4-ene-3,20-dione-9,11,12-D3 |
|---|---|
| Molecular Formula | C21H27D3O5 |
| Molecular Weight | 365.48 g/mol |
| Isotopic purity | >98.0 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. | ST050 |
| CAS Reg. No. | not available |
| Alternate CAS Reg. No. | 50-23-7 (unlabelled compound) |
| Offer | 5 mg, 10 mg |




