Impurity or related compound · Nitroprussic Acid family
Pharmaceutical analytical standardSodium Nitroprusside
Synonyms: Sodium nitroprusside dihydrate, Sodium pentacyanidonitrosylferrate(2-) dihydrate, Sodium pentacyanidonitrosylferrate(III) dihydrate, Disodium pentacyanidonitrosylferrate--water (1/2), Disodium pentacyanonitrosylferrate(2) dihydrate, Ferrate(2), pentacyanonitrosyl, disodium, dihydrate, Sodium nitroferricyanide(III) dihydrate, Sodium pentacyanonitrosylferrate(III) dihydrate, Nitropress, Disodium pentacyano(nitroso)irondiuide dihydrate, Sodium pentakis(cyanido-kappaC)(oxoazanido-kappaN)ferrate(2-)--water (2/1/2)
- Cat. No.
- P-N082-002
- CAS
- 13755-38-9
- Alternative CAS
- 143-33-9 (sodium salt)
- Formula
- C5FeN6Na2O·2H2O
- Molecular weight
- 297.95 g/mol
- Category
- Impurity or related compound
Family: Nitroprussic Acid
Sodium nitroprusside, the red sodium salt of nitroprussic acid and its medical form, is a vasodilator that releases nitric oxide: used in humans since 1928 and approved in the United States in 1974, it rapidly lowers blood pressure in hypertensive crises.
Did you know?Outside medicine it is a classic reagent: it detects ketones in urine (Rothera's test, the basis of many test strips) and is used to calibrate Mössbauer spectrometers.
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
Shipped under controlled temperature when the molecule requires it.
For every lot: identity, purity and assay, with the supporting spectra and chromatograms.
Sent with every order.
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Pharmacopoeial standards available
The official European Pharmacopoeia standards for this molecule, supplied with EDQM documentation.
- Sodium NitroprussideBP 453
Frequently 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.
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