4-Nitro-1H-pyrrolo[2,3-b]pyridin-5-ol CAS 1190318-01-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1190318-01-4
Molecular FormulaC7H5N3O3
Molecular Weight179.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Nitro-1H-pyrrolo[2,3-b]pyridin-5-ol CAS 1190318-01-4 chemical structure

Description

4-Nitro-1H-pyrrolo[2,3-b]pyridin-5-ol (CAS 1190318-01-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5N3O3. Molecular weight: 179.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H5N3O3
Molecular Weight179.13 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms3

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