Active ingredientNitrofuralCat. No. P-N080-001CAS 59-87-0
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Pharmacopoeial impurity · Nitrofural family
Pharmaceutical analytical standardNitrofural EP Impurity B
Synonyms: Nifuroxazide EP Impurity C, 5-Nitro-2-furanmethanediol diacetate, Nitrofuraldehyde diacetate, Methanediol, (5-nitro-2-furanyl)-, diacetate (ester), NSC 5411, Methanediol, 1-(5-nitro-2-furanyl)-, 1,1-diacetate, Nitrofurfural diacetate (usp-rs), Nitrofural impurity B, Methanediol, (5-nitro-2-furanyl)-, diacetate
- Cat. No.
- P-N080-003
- CAS
- 92-55-7
- Alternative CAS
- N/A
- Formula
- C9H9NO7
- Molecular weight
- 243.17 g/mol
- Category
- Pharmacopoeial impurity (EP/USP)
Family: Nitrofural
An antibacterial of the nitrofuran group, whose activity was described in 1944 by Matthew Dodd and William Stillman. It was used in ointments and solutions for skin infections, burns and ulcers, and it is also used in veterinary medicine.
Did you know?It is a pale yellow crystalline powder. The name of its chemical family, the furans, comes from the Latin 'furfur', bran: furfural, the molecule that gave the family its name, is obtained from bran.
The two levels compared
| Level 1 Mass balance | Level 2 Mass balance + qNMR | |
|---|---|---|
| Identity (IR, MS, 1H and 13C-NMR; peptides: ESI-MS, MALDI-TOF and IR) | ✓ | ✓ |
| HPLC purity (min. 95%) | ✓ | ✓ |
| Content by mass balance (min. 90%; peptides: for information only)* | ✓ | ✓ |
| Content verified by qNMR (small molecules only) | · | ✓ |
| Suitable to qualify it as an in-house primary standard (ICH Q7) | · | ✓ |
* Mass balance is performed on every molecule. The only exceptions are cases where the chemistry of the molecule prevents it, for example oils and highly volatile substances, on which some of the required measurements cannot be made: in those cases the CoA states how the content was assigned.
What 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.
Pharmacopoeial standards available
The official European Pharmacopoeia standards for this molecule, supplied with EDQM documentation.
- Nitrofurfural DiacetateBP 263
- Nitrofural impurity B CRSEP Y0001570
More products in the Nitrofural family
Active ingredientNitrofuralCat. No. P-N080-001CAS 59-87-0Frequently asked questions
Is mass balance always performed?
Yes, on every molecule. The only exceptions are cases where the chemistry of the molecule prevents it: for example oils and highly volatile substances, on which some measurements (such as thermogravimetry) cannot be made. In those cases the CoA states which method was used to assign the content.
Can I ask for a different quantity?
Yes. The quantities are only suggestions: choose "Other" and enter the milligrams or grams you need.
Which level should I choose?
Level 1 is enough for most routine testing. Level 2 adds an independent qNMR content value and is meant for labs that need to qualify an in-house primary standard. For peptides and similar molecules, Level 2 is not available.
When will I get 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.