Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Phthalic Acid, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Phthalic Acid impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Phthalic Acid-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Our Phthalic Acid-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.
Phthalic Acid Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Methylcyclohexylphthalic Acid Ester-d4 | Stable Isotopes | CS-T-98038 | Not Available | Enquire |
| 2,2-Dimethylcyclohexylphthalic Acid Ester-d4 | Stable Isotopes | CS-T-98180 | Not Available | Enquire |
| Phthalic Acid (Phenyl-13C6, D4) | Stable Isotopes | CS-T-97913 | 88-99-3 (Unlabelled) | Enquire |
| Phthalic Acid 1-(1,2-dimethylpropyl) Ester-d4 | Stable Isotopes | CS-T-97911 | Not Available | Enquire |
| Phthalic Acid Bis(1,2-dimethylpropyl) Ester-d4 | Stable Isotopes | CS-T-97909 | Not Available | Enquire |
| Phthalic Acid Cyclohexyl Isobutyl Ester-d4 | Stable Isotopes | CS-T-97908 | Not Available | Enquire |
| Phthalic Acid-d4 1-Ethylpropyl Ester | Stable Isotopes | CS-T-97910 | Not Available | Enquire |
| Phthalic Acid-d4 Mono-tetrahydrogeranyl Ester | Stable Isotopes | CS-T-97907 | Not Available | Enquire |
| Tetrabromophthalic Acid-13C6 | Stable Isotopes | CS-T-97889 | Not Available | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Terephthalic Acid | API | CS-T-43341 | 100-21-0 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-(hydroxyamino)phthalic acid | Impurity | CS-O-39597 | 202262-76-8 | Enquire |
| 3-Nitrophthalic Acid | Impurity | CS-T-59602 | 603-11-2 | In Stock |
| Phthalic Acid | Impurity | CS-T-39867 | 88-99-3 | In Stock |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Aminophthalic Acid Hydrochloride | Intermediate | CS-BX-00460 | 6946-22-1 | In Stock |
| 3-Aminophthalic Acid Hydrochloride Dihydrate | Intermediate | CS-ED-08160 | 1852533-96-0 | In Stock |
| Isophthalic Acid | Intermediate | CS-EP-00273 | 121-91-5 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4,5-Dichlorophthalic acid | Fine Chemicals | CS-BX-00770 | 56962-08-4 | Enquire |
| 4,5-Difluorophthalic acid | Fine Chemicals | CS-MM-26870 | 18959-31-4 | Enquire |
| Terephthalic acid, cyclic ethylene oxydiethylene ester | Fine Chemicals | CS-O-58760 | 29278-57-7 | Enquire |
Reagents
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 5-Sulfoisophthalic acid | Reagents | CS-O-58153 | 22326-31-4 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3,4-dinitrophthalic acid | Building Blocks | CS-O-45091 | 92971-15-8 | Enquire |
| 3,6-dinitrophthalic acid | Building Blocks | CS-O-45098 | 2300-16-5 | Enquire |
| 3-Chlorophthalic acid | Building Blocks | CS-ZG-95036 | 27563-65-1 | Enquire |
| 4,5-dinitrophthalic acid | Building Blocks | CS-O-45094 | 90348-28-0 | Enquire |
| 4-Hydroxyphthalic acid | Building Blocks | CS-M-58419 | 610-35-5 | In Stock |
| 4-Methylphthalic Acid | Building Blocks | CS-O-52618 | 4316-23-8 | Enquire |
| 4-Phenoxyphthalic acid | Building Blocks | CS-ED-01236 | 37951-15-8 | Enquire |
| Hexahydrophthalic acid | Building Blocks | CS-T-95908 | 1687-30-5 | Enquire |