Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Naphthol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Naphthol 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 Naphthol-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 Naphthol-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.
Naphthol Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Naphthol-13C10 | Stable Isotopes | CS-T-83257 | 1329509-54-7 | Enquire |
| 1-Naphthol-D7 -D-Glucuronide Sodium Salt | Stable Isotopes | CS-T-63082 | 83833-12-9(Unlabeled) | Enquire |
| 2-Naphthol D7 | Stable Isotopes | CS-T-59102 | 78832-54-9 | Enquire |
| 2-Naphthol-13C10 | Stable Isotopes | CS-T-83746 | 1346600-24-5 | Enquire |
| 5-Methoxy-2-methyl-a-naphthol-d3 | Stable Isotopes | CS-T-101146 | 79795-25-8(Unlabelled) | Enquire |
| 6-Bromo-2-naphthol-d6 | Stable Isotopes | CS-T-101785 | Not Available | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Alpha-Naphtholbenzein | API Standards | CS-O-43051 | 6948-88-5 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 6-Amidino-2-naphthol Hydrochloride | Metabolites | CS-T-01830 | 66217-10-5 | Enquire |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "(4S)-(3',4'-Dichlorophenyl)-3,4-dihydro-1-O-triethylsilyl-1... | Impurities | CS-T-17672 | 1217778-10-3 | Enquire |
| "3,4-Dihydro-7-methoxy-1-naphthol Acetate" | Impurities | CS-T-53152 | 20176-04-9 | Enquire |
| (4S)-(3',4'-Dichlorophenyl)-3,4-dihydro-1,2-epoxy-1-O-trieth... | Impurities | CS-T-52649 | 1217528-57-8 | Enquire |
| 1-(Morpholin-4-ylmethyl)-2-naphthol | Impurities | CS-M-47133 | 27438-39-7 | Enquire |
| 1-Naphthol-5-sulfonic acid | Impurities | CS-DL-01083 | 117-59-9 | Enquire |
| 4-Amino-2-naphthol | Impurities | CS-O-46118 | 90923-80-1 | Enquire |
| 6-Cyano-2-naphthol | Impurities | E080069 | 52927-22-7 | Enquire |
| 7-Amino-2-naphthol hydrochloride | Impurities | CS-M-25450 | 51761-16-1 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "(R)-(+)-3,3-Bis(triphenylsilyl)-1,1-bi-2,2-naphthol" | Intermediates | CS-DA-00133 | 111822-69-6 | Enquire |
| "1,1'-Bi-2-naphthol bis(trifluoromethanesulfonate)" | Intermediates | CS-Z-00106 | 128575-34-8 | Enquire |
| "7-Amino-1,2,3,4-tetrahydronaphthol" | Intermediates | CS-T-66712 | 214698-03-0 | Enquire |
| "Potassium 1-(2,3-Epoxypropoxy)-4-naphthol Sulfate" | Intermediates | CS-T-40295 | 95648-12-7 | Enquire |
| 1-Acetylamino-7-naphthol | Intermediates | CS-ED-40348 | 6470-18-4 | Enquire |
| 1-Amino-2-naphthol-6-sulfonic acid | Intermediates | CS-ED-40218 | 5639-34-9 | Enquire |
| 1-Bromo-2-naphthol | Intermediates | CS-M-13996 | 573-97-7 | Enquire |
| 1-Naphthol-4-sulfonic acid | Intermediates | CS-EC-00027 | 84-87-7 | Enquire |
| 2-Amino-1-naphthol hydrochloride | Intermediates | CS-ED-02713 | 41772-23-0 | Enquire |
| 2-Methyl-1-naphthol | Intermediates | CS-M-57489 | 7469-77-4 | Enquire |
| 2-Naphthol | Intermediates | CS-T-59101 | 135-19-3 | In Stock |
| 3-(2-Piperidinyl)-2-naphthol hydrochloride | Intermediates | CS-ED-33500 | 1049742-74-6 | Enquire |
| 3-(4-allyl-5-mercapto-4H-1,2,4-triazol-3-yl)-2-naphthol | Intermediates | CS-ED-35643 | 29213-07-8 | Enquire |
| 3-(Aminomethyl)-2-naphthol | Intermediates | CS-ED-02869 | 1181563-65-4 | Enquire |
| 4-(4-Nitrophenylazo)-1-naphthol | Intermediates | CS-T-83197 | 5290-62-0 | Enquire |
| 4-Amino-1-naphthol | Intermediates | CS-ED-40314 | 2834-90-4 | Enquire |
| 4-Methyl-1-naphthol | Intermediates | CS-ED-20362 | 10240-08-1 | Enquire |
| 4-Nitro-1-naphthol | Intermediates | CS-M-46604 | 605-62-9 | Enquire |
| 5,8-Dihydro-1-naphthol | Intermediates | CS-T-18904 | 27673-48-9 | In Stock |
| 5-Amino-1-naphthol | Intermediates | CS-O-11189 | 83-55-6 | In Stock |
| 6-Amidino-2-naphthol methanesulfonic acid | Intermediates | CS-O-32011 | 82957-06-0 | In Stock |
| 6-Amino-1-naphthol | Intermediates | CS-ED-07229 | 23894-12-4 | Enquire |
| 6-Cyano-2-naphthol | Intermediates | CS-T-91820 | 52927-22-7 | In Stock |
| 7-(Benzyloxy)-2-naphthol | Intermediates | CS-M-31651 | 118495-07-1 | Enquire |
| 7-Amino-2-naphthol | Intermediates | CS-ED-17789 | 93-36-7 | Enquire |
| 7-Methoxy-2-naphthol | Intermediates | CS-T-82411 | 5060-82-2 | Enquire |
| 8-Amino-1-naphthol | Intermediates | CS-ED-07228 | 2834-91-5 | Enquire |
| 8-Amino-1-naphthol-5,7-disulfonic acid monosodium salt hydra... | Intermediates | CS-CD-00089 | 52789-62-5 | Enquire |
| 8-Amino-2-naphthol | Intermediates | CS-AC-02790 | 118-46-7 | Enquire |
| Naphthol AS nonanoate | Intermediates | CS-ED-32269 | 10523-82-7 | Enquire |
| Naphthol AS-BI Phosphate Disodium Salt | Intermediates | CS-T-59097 | 530-79-0 | Enquire |
| Naphthol AS-D chloroacetate | Intermediates | CS-CE-00692 | 35245-26-2 | Enquire |
| Naphthol AS-G | Intermediates | CS-ED-26868 | 91-96-3 | Enquire |
| Naphthol AS-GR Phosphate Disodium Salt | Intermediates | CS-T-82840 | 100929-51-9 | Enquire |
| Naphthol AS-MX Phosphate Disodium Salt | Intermediates | CS-T-83709 | 96189-12-7 | Enquire |
| Naphthol Blue Black | Intermediates | CS-ED-37987 | 1064-48-8 | Enquire |
| Potassium 1-Hydroxy-4-naphthol Sulfate | Intermediates | CS-T-40299 | 95648-10-5 | Enquire |
| rac-1,1-Bi-2-naphthol | Intermediates | CS-CU-00008 | 602-09-5 | Enquire |
| α-Naphtholbenzein | Intermediates | CS-DA-00231 | 145-50-6 | Enquire |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Naphthol 2,3,4-Tri-O-acetyl-beta-D-glucuronide Methyl Este... | Glucuronides | CS-T-58819 | 18404-55-2 | Enquire |
| 1-Naphthol-O-beta-D-Glucuronide Sodium Salt | Glucuronides | CS-T-59100 | 83833-12-9 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-1,1-Bi-2-naphthol | Fine Chemicals | CS-CU-00009 | 18531-94-7 | In Stock |
| 2-Chloro-6-naphthol | Fine Chemicals | CS-DV-01648 | 40604-49-7 | Enquire |
| 3-Amino-2-naphthol | Fine Chemicals | CS-M-46319 | 5417-63-0 | Enquire |
| 4-Amino-1-naphthol hydrochloride | Fine Chemicals | CS-M-44336 | 5959-56-8 | Enquire |
| 5-Amino-2-naphthol | Fine Chemicals | CS-O-15794 | 86-97-5 | In Stock |
| 6-Bromo-2-naphthol | Fine Chemicals | CS-T-08568 | 15231-91-1 | Enquire |
| 7-METHYL-1-NAPHTHOL | Fine Chemicals | CS-ZE-02898 | 6939-33-9 | Enquire |
| racemic-6,6-Dibromo-1,1-bi-2-naphthol | Fine Chemicals | CS-DC-00394 | 13185-00-7 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Amino-8-naphthol-4-sulfonic Acid | Building Blocks | CS-T-66259 | 83-64-7 | Enquire |
| 2-Diazo-1-naphthol-5-sulfonic Acid Sodium Salt | Building Blocks | CS-T-102303 | 2657-00-3 | Enquire |
| 4-Methoxy-1-naphthol | Building Blocks | CS-DE-01536 | 84-85-5 | Enquire |
| Naphthol AS-LC | Building Blocks | CS-O-47432 | 4273-92-1 | Enquire |