CAS: 636-46-4 - 4-Hydroxyisophthalic acid

Formula: C₈H₆O₅

InChI: InChI=1S/C8H6O5/c9-6-2-1-4(7(10)11)3-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)

InChI key: InChIKey=BCEQKAQCUWUNML-UHFFFAOYSA-N

SMILES: O=C(O)C1=CC=C(O)C(=C1)C(=O)O

Synonyms:

• 1,3-Benzenedicarboxylic Acid, 4-Hydroxy-
• 4-Hydroxy-1,3-benzenedicarboxylic acid
• 4-Hydroxy-m-phthalic acid
• 4-Hydroxybenzene-1,3-Dicarboxylate
• 4-Hydroxybenzene-1,3-Dicarboxylic Acid
• Eupirina
• Isophthalic acid, 4-hydroxy-
• NSC 2445
• 4-Hydroxyisophthalic acid

4-Hydroxyisophthalic Acid

CAS: 636-46-4

• Formula: C₈H₆O₅
• Purity: >98.0%(T)(HPLC)
• Color and Shape: White to Almost white powder to crystal
• Molecular weight: 182.13

Aspirin impurity standard

CAS: 1466-82-6 50-78-2 530-75-6 552-94-3 636-46-499-96-7

• Color and Shape: Off-White

Salicylic acid impurity B CRS

CAS: 636-46-4

Salicylic Acid Related Compound B (4-hydroxyisophthalic acid)

CAS: 636-46-4

Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides etc, …

• Formula: C₈H₆O₅
• Color and Shape: White Solid
• Molecular weight: 182.02152

4-Hydroxyisophthalic acid

CAS: 636-46-4

• Formula: C₈H₆O₅
• Purity: 97%
• Color and Shape: Solid
• Molecular weight: 182.1302

4-Hydroxyisophthalic acid

CAS: 636-46-4

4-Hydroxyisophthalic acid is used as medical intermediate

• Formula: C₈H₆O₅
• Purity: 98.96% - 99.03%
• Color and Shape: White Solid
• Molecular weight: 182.13

Acetylsalicylic Acid EP Impurity B (Salicylic Acid USP Related Compound B)

CAS: 636-46-4

• Formula: C₈H₆O₅
• Color and Shape: Off-White To Pale Pink Solid
• Molecular weight: 182.13

4-Hydroxyisophthalic acid

CAS: 636-46-4

• Purity: 95.0%
• Color and Shape: Solid
• Molecular weight: 182.13099670410156

Acetylsalicylic Acid EP Impurity B (Salicylic Acid USP Related Compound B)

CAS: 636-46-4

• Formula: C₈H₆O₅
• Color and Shape: Neat
• Molecular weight: 182.13

4-Hydroxyisophthalic acid

CAS: 636-46-4

• Formula: C₈H₆O₅
• Purity: ≥ 97.0%
• Color and Shape: White to off-white powder
• Molecular weight: 182.13

4-hydroxyisophthalic acid

CAS: 636-46-4

Carboxylic acid with phenol function

• Formula: C₈H₆O₅
• Purity: ≥ 90.0 % (HPLC)
• Color and Shape: Powder
• Molecular weight: 182.13

4-Hydroxyisophthalic Acid

CAS: 636-46-4

Impurity Acetylsalicylic Acid EP Impurity B/ Salicylic Acid Related Compound B Applications 4-Hydroxyisophthalic acid has …

• Formula: C₈H₆O₅
• Color and Shape: White To Light Purple
• Molecular weight: 182.13

4-Hydroxyisophthalic acid

CAS: 636-46-4

4-Hydroxyisophthalic acid is a compound that has been shown to have antioxidant properties, and is …

• Formula: C₈H₆O₅
• Purity: Min. 97 Area-%
• Color and Shape: White Powder
• Molecular weight: 182.13 g/mol