1H,8-cd]pyran-1,3-dione, 6-nitro- 4-Nitro-1,8-naphthalic acid anhydride 4-Nitro-1,8-naphthalic anhydride 4-Nitronaphthalene-1,8-dicarboxylic anhydride 4-Nitronaphthalic anhydride 6642-29-1 NSC-15356 NSC15356 Naphthalic anhydride, 4-nitro- CAS 6642-29-1

Purity 97%+In StockPharmaceutical Standards
CAS No.6642-29-1
Molecular FormulaC12H15NO5
Molecular Weight253.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1H,8-cd]pyran-1,3-dione, 6-nitro- 4-Nitro-1,8-naphthalic acid anhydride 4-Nitro-1,8-naphthalic anhydride 4-Nitronaphthalene-1,8-dicarboxylic anhydride 4-Nitronaphthalic anhydride 6642-29-1 NSC-15356 NSC15356 Naphthalic anhydride, 4-nitro- CAS 6642-29-1 chemical structure

Description

1H,8-cd]pyran-1,3-dione, 6-nitro- 4-Nitro-1,8-naphthalic acid anhydride 4-Nitro-1,8-naphthalic anhydride 4-Nitronaphthalene-1,8-dicarboxylic anhydride 4-Nitronaphthalic anhydride 6642-29-1 NSC-15356 NSC15356 Naphthalic anhydride, 4-nitro- (CAS 6642-29-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H15NO5. Molecular weight: 253.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H15NO5
Molecular Weight253.25 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1

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