Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Erlotinib, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Erlotinib 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 Erlotinib-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 Erlotinib-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.
Erlotinib Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erlotinib D4 | Stable Isotopes | CS-EO-02363 | 1130852-41-3 | Enquire |
| Erlotinib-13C6 Hydrochloride | Stable Isotopes | CS-O-00724 | 1210610-07-3 | In Stock |
| Erlotinib-d6 | Stable Isotopes | CS-O-03064 | 1034651-23-4 | In Stock |
| N-(2-Methoxyethyl) Erlotinib-d3 | Stable Isotopes | CS-T-100064 | Not Available | Enquire |
| N-(3-Desethynylphenyl)-N-(3-bromophenyl) Erlotinib Hydrochlo... | Stable Isotopes | CS-T-96817 | Not Available | Enquire |
| O-Desmethylerlotinib-d4 | Stable Isotopes | CS-B-00276 | Not Available | Enquire |
| Tetrahydro Erlotinib-d9 | Stable Isotopes | CS-T-99799 | Not Available | Enquire |
| 3-Ethynylaniline-d4 | Stable Isotopes | CS-T-92341 | 1794883-73-0 | Enquire |
| Erlotinib D6 Hydrochloride | Stable Isotopes | CS-O-11856 | 1189953-78-3 | Enquire |
| Erlotinib D8 | Stable Isotopes | CS-O-32666 | 1266534-68-2 | Enquire |
| O-Desmethyl Erlotiniβ-d8 HCl | Stable Isotopes | CS-BV-00041 | 183321-84-8 | Enquire |
| O-Desmethylerlotinib hydrochloride 13C6 | Stable Isotopes | CS-EK-01115 | 183320-51-6 unlabeled | Enquire |
| O-Didesmethylerlotinib hydrochloride 13C6 | Stable Isotopes | CS-EK-01163 | 1261395-30-5 | Enquire |
| OSI-420-d4, Free Base (Desmethyl Erlotiniβ-d4) | Stable Isotopes | CS-T-59970 | 1216420-11-9 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erlotinib | API | CS-O-31362 | 183321-74-6 | In Stock |
| Erlotinib Hydrochloride | API | CS-M-58440 | 183319-69-9 | In Stock |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Erlotinib 4-Hydroxy Metabolite HCl salt | Metabolite | CS-EO-03532 | 882420-22-6 (Freebase) | Enquire |
| Erlotinib impurity G | Metabolite | CS-AQ-00200 | 2514264-76-5 | In Stock |
| Erlotinib O-Desmethyl Metabolite Isomer (M14) Hydrochloride | Metabolite | CS-P-07852 | 183320-51-6 | In Stock |
| Erlotinib Carboxylic Acid | Metabolite | CS-O-11867 | 882420-21-5 | Enquire |
| Hydroxy Erlotinib | Metabolite | CS-O-11868 | 882420-22-6 | Enquire |
| O-Desmethyl Erlotinib | Metabolite | CS-O-11869 | 183321-86-0 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Amino-4,5-bis(2-methoxyethoxy)benzoic acid ethyl ester | Impurity | CS-O-32359 | 183322-17-0 | In Stock |
| 3-Aminophenylacetylene | Impurity | CS-O-30852 | 54060-30-9 | In Stock |
| 7-(2’-Desmethyl) Erlotinib formate salt | Impurity | CS-O-36198 | Not Available | In Stock |
| Desethynyl Erlotinib | Impurity | CS-T-73717 | 1145671-52-8 | In Stock |
| Erlotinib Aldehyde | Impurity | CS-O-33313 | 1278586-80-3 | Enquire |
| Erlotinib Amine Impurity | Impurity | CS-ED-41702 | 1417161-98-8(free base) | Enquire |
| Erlotinib Impurity 17 | Impurity | CS-P-07862 | 183322-16-9 | In Stock |
| Erlotinib Impurity 19 | Impurity | CS-P-07864 | 1312937-41-9 | In Stock |
| Erlotinib Impurity 21 | Impurity | CS-EO-03533 | 2055841-66-0 | Enquire |
| Erlotinib Impurity 24 | Impurity | CS-O-32530 | 938185-06-9 | In Stock |
| Erlotinib Impurity 35 HCl salt | Impurity | CS-EO-03534 | 1354727-63-1 (Freebase) | Enquire |
| Erlotinib Impurity A | Impurity | CS-AQ-00190 | 13794-72-4 | In Stock |
| Erlotinib Related Compound A | Impurity | CS-O-46248 | 299912-59-7 | In Stock |
| Erlotinib USP Related Compound A | Impurity | CS-EO-03535 | 299912-60-0 (Freebase) | Enquire |
| N-(2-Methoxyethyl) Erlotinib | Impurity | CS-T-95872 | Not Available | In Stock |
| Tetrahydro Erlotinib | Impurity | CS-T-86281 | 299912-61-1 | In Stock |
| 4-(3-((6,7-bis(2-methoxyethoxy)quinazolin-4-yl)amino)phenyl)... | Impurity | CS-O-37085 | Not Available | Enquire |
| 6,6',7,7'-tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4... | Impurity | CS-O-37086 | Not Available | Enquire |
| 6,7-bis(2-methoxyethoxy)-N-(3-vinylphenyl)quinazolin-4-amine | Impurity | CS-O-37084 | 1058132-82-3 | Enquire |
| 6-O-Desmethoxyethyl-6-O-chloroethyl Erlotinib Hydrochloride | Impurity | CS-T-52184 | 183320-04-9 | Enquire |
| 7-(2’-Desmethyl) Erlotinib | Impurity | CS-T-89073 | 183365-34-6 | Enquire |
| 7-O-Desmethoxy-7-O-chloroethyl Erlotinib Hydrochloride | Impurity | CS-T-52185 | 183320-19-6 | Enquire |
| Desmethyl Erlotinib Acetate | Impurity | CS-T-16312 | 183320-15-2 | Enquire |
| Desmethyl Erlotinib Carboxylate Acid | Impurity | CS-T-52272 | 882172-60-3 | Enquire |
| Didesmethyl Erlotinib Hydrochloride | Impurity | CS-T-52743 | 183320-12-9 | Enquire |
| Erlotinib impurity 1 | Impurity | CS-EO-00069 | 1710372-46-5 | Enquire |
| Erlotinib Impurity 10 | Impurity | CS-P-07858 | 950596-58-4 | Enquire |
| Erlotinib Impurity 11 | Impurity | CS-P-07859 | 950596-59-5 | Enquire |
| Erlotinib Impurity 13 | Impurity | CS-P-07860 | 236750-65-5 | Enquire |
| Erlotinib Impurity 14 | Impurity | CS-P-07861 | 236750-62-2 | Enquire |
| Erlotinib Impurity 18 Hydrochloride | Impurity | CS-P-07863 | 299912-61-1 (free base) | Enquire |
| Erlotinib Impurity 6 | Impurity | CS-P-07857 | 179688-26-7 | Enquire |
| Erlotinib Impurity F | Impurity | CS-P-07856 | 1624294-38-7 | Enquire |
| Erlotinib impurity I | Impurity | CS-AQ-00201 | 183320-29-8 | Enquire |
| Erlotinib impurity K | Impurity | CS-AQ-00203 | 1225350-79-7 | Enquire |
| Erlotinib impurity L | Impurity | CS-AQ-00204 | Not Available | Enquire |
| Erlotinib impurity, 6-(2-chloroethoxy)-7-(2-methoxyethoxy) | Impurity | CS-P-07855 | 183321-83-7 | Enquire |
| Erlotinib impurity, 6-(2-methoxyethoxy)-7-(2-chloroethoxy) | Impurity | CS-P-07854 | 183321-85-9 | Enquire |
| Erlotinib impurity, 6,7-bis(2-chloroethoxy) | Impurity | CS-P-07853 | 183321-82-6 | Enquire |
| Erlotinib Related Compound A (Base) | Impurity | CS-P-08699 | 299912-60-0 | Enquire |
| Erlotinib-N-Oxide | Impurity | CS-O-16945 | Not Available | Enquire |
| N-(3-bromophenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine... | Impurity | CS-T-94107 | 2055840-41-8 | Enquire |
| N-(3-Desethynylphenyl)-N-(3-(1-chlorovinyl)phenyl) Erlotinib | Impurity | CS-O-33361 | 2204518-92-1 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-(3-Aminophenyl)-2-methyl-3-butyn-2-ol | Intermediate | CS-AC-02753 | 69088-96-6 | In Stock |
| 6,7-bis-(2-Methoxyethoxy)-quinazolin-4(3h)-one | Intermediate | CS-O-31512 | 179688-29-0 | In Stock |
| Ethyl 3,4-Dihydroxybenzoate | Intermediate | CS-T-22061 | 3943-89-3 | In Stock |
| N-(3-Desethynylphenyl)-N-(3-bromophenyl) Erlotinib | Intermediate | CS-T-16104 | 328528-74-1 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Bromonitrobenzene | Fine Chemicals | CS-T-08702 | 585-79-5 | Enquire |
| 4-Chloro-6,7-Bis-(2-methoxyethoxy)-4(3H)-quinazoline | Fine Chemicals | CS-O-31360 | 183322-18-1 | In Stock |
| 2-((4-((3-ethynylphenyl)amino)-6-(2-methoxyethoxy)quinazolin... | Fine Chemicals | CS-O-34203 | 183320-24-3 | Enquire |
| 3-Bromoaniline | Fine Chemicals | CS-T-07904 | 591-19-5 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Erlotinib | Nitrosamine | CS-O-38886 | ---- | Discontinued |
| N-Nitroso Erlotinib Cyclised compound | Nitrosamine | CS-O-44703 | Not Available | Discontinued |
Pharmaceutical Stds.
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-[[4-Amino-7-(2-methoxyethoxy)-6-quinazolinyl]oxy]ethanol | Pharmaceutical Stds. | CS-TA-15036 | 1839513-98-2 | Enquire |
| 6,7-Bis(2-methoxyethoxy)-4-quinazolinamine | Pharmaceutical Stds. | CS-TA-59236 | 1417161-98-8 | Enquire |