475-38-7 S9IX5I5C0K Naphthazarin 5,8-Dihydroxy-1,4-naphthoquinone 1,4-Naphthalenedione, 5,8-dihydroxy- (9CI) Naphthazarine 1,4-Naphthoquinone, 5,8-dihydroxy- CCRIS 6670 5,8-Dihydroxy-1,4-naphthalenedione 5,8-Dihydroxynaphthoquinone 5,8-Dihydroxy-1,4-naphthosemiquinone EINECS 207-495-4 Naphthazarone NSC 26647 UNII-S9IX5I5C0K CAS 475-38-7

Purity 97%+In StockPharmaceutical Standards
CAS No.475-38-7
Molecular FormulaC10H12O4
Molecular Weight196.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

475-38-7 S9IX5I5C0K Naphthazarin 5,8-Dihydroxy-1,4-naphthoquinone 1,4-Naphthalenedione, 5,8-dihydroxy- (9CI) Naphthazarine 1,4-Naphthoquinone, 5,8-dihydroxy- CCRIS 6670 5,8-Dihydroxy-1,4-naphthalenedione 5,8-Dihydroxynaphthoquinone 5,8-Dihydroxy-1,4-naphthosemiquinone EINECS 207-495-4 Naphthazarone NSC 26647 UNII-S9IX5I5C0K CAS 475-38-7 chemical structure

Description

475-38-7 S9IX5I5C0K Naphthazarin 5,8-Dihydroxy-1,4-naphthoquinone 1,4-Naphthalenedione, 5,8-dihydroxy- (9CI) Naphthazarine 1,4-Naphthoquinone, 5,8-dihydroxy- CCRIS 6670 5,8-Dihydroxy-1,4-naphthalenedione 5,8-Dihydroxynaphthoquinone 5,8-Dihydroxy-1,4-naphthosemiquinone EINECS 207-495-4 Naphthazarone NSC 26647 UNII-S9IX5I5C0K (CAS 475-38-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H12O4. Molecular weight: 196.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H12O4
Molecular Weight196.20 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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