Unlabelled3-Methyl-quinoxaline-2-carboxylic acidCat. No. A-I0136CAS 74003-63-7
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Stable isotope labelled standard of 3-Methyl-quinoxaline-2-carboxylic acid, for isotope dilution in LC-MS/MS and GC-MS: neat and in solution, with a certificate of analysis for every lot.
Veterinary drugs and drug residues · PAH
ISO 17034 Reference Material3-Methyl-quinoxaline-2-carboxylic acid-d4
- Cat. No.
- A-I0136L1-1MG
- CAS
- 2244217-93-2
- Alternative CAS
- N/A
- Formula
- C10H4D4N2O2
- Molecular weight
- 192.21 g/mol
- Class
- PAH
- Quality
- ISO 17034
- Unlabelled compound
- 3-Methyl-quinoxaline-2-carboxylic acid
Available formats
| Code | Form | Format | Price | |
|---|---|---|---|---|
| Neat | ||||
| A-I0136L1-1MG | Neat | 1 mg | ||
| A-I0136L1-5MG | Neat | 5 mg | ||
| A-I0136L1-10MG | Neat | 10 mg | ||
| A-I0136L1-25MG | Neat | 25 mg | ||
| In solution | ||||
| A-I0136L1-100M1 | Solution | 100 µg/mL in methanol, 1 mL | ||
| A-I0136L1-1KM1 | Solution | 1,000 µg/mL in methanol, 1 mL | ||
Unlabelled compound
Unlabelled3-Methyl-quinoxaline-2-carboxylic acidCat. No. A-I0136CAS 74003-63-7What you receive
The analytical standard
Shipped under controlled temperature when the molecule requires it.
Certificate of analysis (CoA)
For every lot: identity, purity and assay, with the supporting spectra and chromatograms.
Safety data sheet (SDS)
Sent with every order.
Tracked shipment
Follow your shipment live, from our warehouse to your lab.
Frequently asked questions
Can I have another concentration or solvent?
Yes. In solution choose "Other format" and enter concentration, solvent and volume.
Can I ask for larger quantities of the neat standard?
Yes. Choose "Other quantity" and enter the milligrams or grams you need.
When do I receive the quote?
Within 24 working hours, with price, availability and delivery time.
Need a molecule you cannot find?
Custom synthesis of impurities, metabolites and labelled compounds, with the same characterisation level.