Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Tyrosine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Tyrosine 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 Tyrosine-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 Tyrosine-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.
Tyrosine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "L-Tyrosine-15N, N-Boc" | Stable Isotopes | CS-CH-00180 | 87713-11-9 | Enquire |
| 1-Benzyl D-1,2-azetidinedicarboxylate-d5 with L-Hydrazide Ty... | Stable Isotopes | CS-T-97020 | Not Available | Enquire |
| 3-(Methoxy-d3)-L-tyrosine Hydrochloride | Stable Isotopes | CS-T-96895 | Not Available | Enquire |
| 3-Nitro-L-tyrosine-d3 | Stable Isotopes | CS-T-83603 | 213386-10-8 | Enquire |
| alpha-Methyl-L-tyrosine-D3 | Stable Isotopes | CS-EO-02449 | 672-87-7(Unlabelled) | Enquire |
| L,L-Dityrosine-13C12 Dihydrochloride | Stable Isotopes | CS-T-98374 | Not Available | Enquire |
| L,L-Dityrosine-13C6 Dihydrochloride (3% unlabeled) (80% Pure... | Stable Isotopes | CS-T-98375 | Not Available | Enquire |
| L-Tyrosine (Tbu)-OH-13C9,15N, Fmoc | Stable Isotopes | CS-CH-00175 | 133852-23-0 (Unlabeled) | Enquire |
| L-Tyrosine D2 (ring-3,5-D2) | Stable Isotopes | CS-BX-00314 | 30811-19-9 | Enquire |
| L-Tyrosine-[ring-d2,13C6] | Stable Isotopes | CS-O-57945 | 420107-77-3 | Enquire |
| L-Tyrosine-13C | Stable Isotopes | CS-CH-00176 | 81201-89-0 | Enquire |
| L-Tyrosine-15N | Stable Isotopes | CS-CH-00179 | 35424-81-8 | Enquire |
| L-Tyrosine-D2 [3,3-d2] | Stable Isotopes | CS-CH-00183 | 72963-27-0 | Enquire |
| L-Tyrosine-α,β,β,2,3,5,6 D7 | Stable Isotopes | CS-T-88178 | 130551-49-4 | Enquire |
| Metyrosine D3 | Stable Isotopes | CS-T-93581 | 672-87-7 (Unlabeled) | Enquire |
| N-(1-Deoxy-D-fructos-1-yl)-L-tyrosine-d4 | Stable Isotopes | CS-T-97642 | Not Available | Enquire |
| N-Fmoc-(13C9,15N)-L-Tyrosine O-Tertbutyl Ether | Stable Isotopes | CS-T-74337 | 1217442-53-9 | Enquire |
| N-Fmoc-(15N)-L-Tyrosine O-Tertbutyl Ether | Stable Isotopes | CS-T-75701 | 1217437-39-2 | Enquire |
| O,O-Dityrosine 13C12 | Stable Isotopes | CS-BE-00013 | 63442-81-9(Unlabeled) | Enquire |
| rac metyrosine D3 | Stable Isotopes | CS-O-35946 | 658-48-0 (unlabeled) | Enquire |
| α-Methyl-L-tyrosine-D3 | Stable Isotopes | CS-T-96890 | Not Available | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| D,L-m-Tyrosine | API Standards | CS-T-62609 | 775-06-4 | Enquire |
| D-Tyrosine | API Standards | CS-T-87617 | 556-02-5 | Enquire |
| L-m-Tyrosine | API Standards | CS-T-46062 | 587-33-7 | Enquire |
| O,O-Dityrosine | API Standards | CS-O-32468 | 63442-81-9 | Enquire |
| Tyrosine | API Standards | CS-DA-00248 | 556-03-6 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "(S)-N-Fmoc-2,6-dimethyltyrosine" | Impurities | CS-EL-10046 | 206060-54-0 | Enquire |
| "Fmoc-3,5-diiodo-D-tyrosine" | Impurities | CS-M-29760 | 212651-51-9 | Enquire |
| "Fmoc-3,5-diiodo-L-tyrosine" | Impurities | CS-M-29762 | 103213-31-6 | Enquire |
| "N-Formyl-3,5-diiodo-L-tyrosine" | Impurities | CS-T-76641 | 906327-16-0 | Enquire |
| (αR)-α-Cyclohexyl-α-hydroxybenzeneacetate D-T... | Impurities | CS-T-57923 | 265319-66-2 | Enquire |
| (S)-2,6-dimethyltyrosine hydrochloride | Impurities | CS-EL-10035 | 126312-63-8 | Enquire |
| (βR)-β-Hydroxy-3-(phenylmethoxy)-N-[(phenylmethoxy)carbonyl]... | Impurities | CS-T-78406 | 55382-14-4 | Enquire |
| 3,5-Diiodo-α-methyl-DL-tyrosine | Impurities | CS-T-53274 | 7434-77-7 | Enquire |
| 3-Acetyl-L-Tyrosine | Impurities | CS-EC-00083 | 32483-30-0 | Enquire |
| 3-Acetyl-L-tyrosine Hydrochloride | Impurities | CS-T-64839 | 32404-28-7 | Enquire |
| 3-Bromo-L-tyrosine-13C9 | Impurities | CS-B-00406 | 1842379-72-9 | Enquire |
| 3-Iodo-N-[(benzyloxy)carbonyl]-O-benzyl-L-tyrosine Benzyl Es... | Impurities | CS-T-29425 | 600737-79-9 | Enquire |
| 3-Methoxy-L-tyrosine | Impurities | CS-BX-00607 | 300-48-1 | In Stock |
| 3-Methoxytyrosine | Impurities | CS-O-57692 | 7636-26-2 | Enquire |
| a-(Fluoromethyl)-L-tyrosine | Impurities | CS-O-34329 | 69672-37-3 | Enquire |
| D-Tyrosine tert-Butyl Ester | Impurities | CS-T-87393 | 87553-74-0 | Enquire |
| N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-tyrosine Phenylmethyl... | Impurities | CS-T-75463 | 131622-85-0 | Enquire |
| N-[(Benzyloxy)Carbonyl]Glycylglycine | Impurities | CS-M-47032 | 2566-19-0 | In Stock |
| N-Acetyl-3-iodo-L-tyrosine Monohydrate | Impurities | CS-T-00890 | 23277-49-8 | Enquire |
| N-Acetyl-L-tyrosine Amide | Impurities | CS-T-65373 | 1948-71-6 | Enquire |
| N-Benzyl-L-tyrosine | Impurities | CS-T-06312 | 75768-66-0 | Enquire |
| N-Boc-3-Hydroxy-L-Tyrosine methyl ester | Impurities | CS-O-46211 | 37169-36-1 | In Stock |
| N-Boc-D-tyrosine | Impurities | CS-T-67953 | 70642-86-3 | Enquire |
| N-Cbz-D-tyrosine | Impurities | CS-T-71451 | 64205-12-5 | Enquire |
| N-Fmoc-L-tyrosine Benzyl Ester | Impurities | CS-T-76923 | 82911-77-1 | Enquire |
| N-Methyl-N-t-butoxycarbonyl-L-tyrosine | Impurities | CS-T-33388 | 82038-34-4 | Enquire |
| O,α-Dimethyl-L-tyrosine Hydrochloride | Impurities | CS-T-20662 | 35026-10-9 | Enquire |
| O-Methyl-DL-tyrosine | Impurities | CS-T-81930 | 7635-29-2 | Enquire |
| O-Phospho-L-tyrosine | Impurities | CS-T-60550 | 21820-51-9 | Enquire |
| PDGF Receptor Tyrosine Kinase Inhibitor III | Impurities | CS-AR-00260 | 205254-94-0 | Enquire |
| protein tyrosine phosphatase inhibitor iii | Impurities | CS-AR-00248 | 29936-81-0 | Enquire |
| VEGF Receptor Tyrosine Kinase Inhibitor II | Impurities | CS-AR-00174 | 269390-69-4 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "3,5-Dibromo-D-tyrosine" | Intermediates | CS-T-88225 | 50299-42-8 | Enquire |
| "3,5-Dibromotyrosine" | Intermediates | CS-M-46258 | 300-38-9 | Enquire |
| "3,5-Diiodo-D-tyrosine" | Intermediates | CS-T-19338 | 16711-71-0 | Enquire |
| "a-Methyl-D,L-tyrosine" | Intermediates | CS-T-58733 | 658-48-0 | Enquire |
| "Boc-O-2',6'-dichlorobenzyl-3,5-diiodo-L-tyrosine" | Intermediates | CS-AC-02626 | 201416-66-2 | Enquire |
| "L-2,6-Dimethyltyrosine" | Intermediates | CS-T-20650 | 123715-02-6 | Enquire |
| "N-[3,4-Dihydroxy-(E)-cinnamoyl]-L-tyrosine" | Intermediates | CS-T-19143 | 124027-56-1 | Enquire |
| "N-Acetyl-3,5-diiodo-L-tyrosine" | Intermediates | CS-T-47015 | 1027-28-7 | Enquire |
| "N-Benzoyl-O,α-dimethyl-DL-tyrosine" | Intermediates | CS-T-48577 | 118024-43-4 | Enquire |
| "N-Benzoyl-O,α-dimethyl-D-tyrosine Methyl Ester" | Intermediates | CS-T-48578 | 172168-14-8 | Enquire |
| "O-tert-Butyldimethylsilyl-N-t-butoxycarbonyl-L-tyrosine, Me... | Intermediates | CS-T-50047 | 112196-57-3 | Enquire |
| α-Hydroxymethyl-D-tyrosine | Intermediates | CS-T-55818 | 134309-86-7 | Enquire |
| 3,5-Diiodo-DL-tyrosine | Intermediates | CS-T-19376 | 66-02-4 | Enquire |
| 3-Acetyl-L-tyrosine Methyl Ester Hydrochloride | Intermediates | CS-T-47426 | 57085-32-2 | Enquire |
| 3-Amino-L-tyrosine | Intermediates | CS-T-66723 | 300-34-5 | Enquire |
| 3-Chloro-5-iodo-L-tyrosine | Intermediates | CS-T-94669 | 889871-36-7 | Enquire |
| 3-Hydroxy-α-methyl-tyrosine Methyl Ester | Intermediates | CS-T-78568 | 158190-23-9 | Enquire |
| 3-Iodo-D-tyrosine | Intermediates | CS-AC-03322 | 25799-58-0 | Enquire |
| 3-Iodo-L-tyrosine methyl ester hydrochloride | Intermediates | CS-AC-04632 | 79677-58-0 | Enquire |
| 3-Methoxy-α-methyl-L-tyrosine | Intermediates | CS-T-57767 | 6739-31-7 | In Stock |
| 3-Nitro-L-tyrosine | Intermediates | CS-T-37346 | 621-44-3 | Enquire |
| a-Methyl-D,L-m-tyrosine | Intermediates | CS-T-58734 | 305-96-4 | Enquire |
| Benzyloxycarbonylglutamyltyrosine | Intermediates | CS-ED-30292 | 988-75-0 | Enquire |
| Boc-DL-o-tyrosine | Intermediates | CS-ED-13994 | 203569-04-4 | Enquire |
| Boc-homo-L-tyrosine | Intermediates | CS-ED-13503 | 198473-94-8 | Enquire |
| Boc-L-beta-homotyrosine(obzl) | Intermediates | CS-AC-01618 | 126825-16-9 | Enquire |
| Boc-L-tyrosine ethyl ester | Intermediates | CS-AC-04257 | 72594-77-5 | Enquire |
| Cbz-L-Tyrosine benzyl ester triflate | Intermediates | CS-AC-02612 | 183070-41-9 | Enquire |
| D,L-m-Tyrosine Methyl Ester Hydrochloride | Intermediates | CS-T-46063 | 34260-70-3 | Enquire |
| D-Homotyrosine hydrobromide | Intermediates | CS-AC-05109 | 185617-14-5 | Enquire |
| D-o-Tyrosine | Intermediates | CS-T-62607 | 24008-77-3 | Enquire |
| D-Tyrosine,N-[(1,1-dimethylethoxy)carbonyl]-N-methyl- | Intermediates | CS-ED-13445 | 178208-61-2 | Enquire |
| erythro-ß,3-Dihydroxy-D-tyrosine | Intermediates | CS-T-92005 | 51829-98-2 | Enquire |
| erythro-ß,3-Dihydroxy-L-tyrosine | Intermediates | CS-T-91741 | 34047-62-6 | Enquire |
| Fmoc-O-ethyl-L-tyrosine | Intermediates | CS-M-29821 | 119894-20-1 | In Stock |
| Fmoc-O-methyl-D-tyrosine | Intermediates | CS-M-29822 | 201335-88-8 | Enquire |
| L,L-Dityrosine dihydrochloride | Intermediates | CS-O-01808 | 221308-01-6 | Enquire |
| L-o-Tyrosine | Intermediates | CS-T-62608 | 7423-92-9 | Enquire |
| L-Tyrosine 7-amido-4-methylcoumarin | Intermediates | CS-T-87718 | 94099-57-7 | Enquire |
| L-Tyrosine Disodium Salt | Intermediates | CS-T-87846 | 69847-45-6 | In Stock |
| N-(n-Butanesulfonyl)-O-[4-(4-pyridinyl)-butyl]-(S)-tyrosine | Intermediates | CS-T-49995 | 149490-61-9 | In Stock |
| N-Acetyl-3,5-dinitro-L-tyrosine ethyl ester | Intermediates | CS-ED-38663 | 29358-99-4 | Enquire |
| N-Boc-3-chloro-D-tyrosine | Intermediates | CS-ED-13552 | 478183-57-2 | Enquire |
| N-Cbz-L-tyrosine | Intermediates | CS-T-10692 | 1164-16-5 | Enquire |
| N-Fmoc-L-tyrosine | Intermediates | CS-T-24602 | 92954-90-0 | Enquire |
| O,α-dimethyl-DL-Tyrosine | Intermediates | CS-T-20660 | 7383-30-4 | Enquire |
| O-2,6-Dichlorobenzyl-N-tert-butoxycarbonyl-L-tyrosine | Intermediates | CS-ED-13401 | 201334-88-5 | Enquire |
| O-Allyl-L-tyrosine methyl ester HCl | Intermediates | CS-T-65636 | 138535-28-1 | Enquire |
| o-Benzyl-d-tyrosine | Intermediates | CS-ED-02688 | 65733-15-5 | Enquire |
| O-Cbz-l-tyrosine | Intermediates | CS-AC-04002 | 21106-04-7 | Enquire |
| O-Methyl-D-tyrosine | Intermediates | CS-AC-11726 | 39878-65-4 | Enquire |
| rac 4-Amino-m-tyrosine Dihydrochloride | Intermediates | CS-T-03596 | 21819-90-9 | Enquire |
| Tyrosine kinase inhibitor | Intermediates | CS-ED-29928 | 1021950-26-4 | Enquire |
| Z-O-Benzyl-l-tyrosine hydroxysuccinimide ester | Intermediates | CS-AC-02929 | 52773-66-7 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Chloro-L-tyrosine | Fine Chemicals | CS-O-16097 | 7423-93-0 | In Stock |
| L-Tyrosine | Fine Chemicals | CS-O-30962 | 60-18-4 | In Stock |
| L-Tyrosine tert-Butyl Ester | Fine Chemicals | CS-T-46065 | 16874-12-7 | In Stock |
| O-(2-Nitrobenzyl)-L-tyrosine Hydrochloride | Fine Chemicals | CS-T-59367 | 207727-86-4 | Enquire |
| O-Methyl-L-tyrosine | Fine Chemicals | CS-BX-02894 | 6230-11-1 | In Stock |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "N-Acetyl-3,5-dinitro-L-tyrosine" | Building Blocks | CS-T-64558 | 20767-00-4 | Enquire |
| "O-tert-Butyldimethylsilyl-N-methyl-N-t-butoxycarbonyl-L-tyr... | Building Blocks | CS-T-09504 | 112196-58-4 | Enquire |
| α-Hydroxymethyl-L-tyrosine | Building Blocks | CS-T-55817 | 69980-45-6 | Enquire |
| 2-(Trifluoromethyl)-DL-tyrosine | Building Blocks | CS-CE-00035 | 880764-96-5 | Enquire |
| 3,5-Diiodo-l-tyrosine ethyl ester, HCl | Building Blocks | CS-T-91151 | 74051-47-1 | Enquire |
| 3,5-Dinitro-L-tyrosine Sodium Salt | Building Blocks | CS-T-20734 | 502481-30-3 | Enquire |
| 3-Acetyl-N-benzyloxycarbonyl-4-O-benzyl-L-tyrosine Methyl Es... | Building Blocks | CS-T-47151 | 105205-69-4 | Enquire |
| 3-Acetyl-N-benzyloxycarbonyl-L-tyrosine Methyl Ester | Building Blocks | CS-T-47150 | 110774-03-3 | Enquire |
| 3-Bromo-L-tyrosine | Building Blocks | CS-T-09032 | 38739-13-8 | Enquire |
| 3-Fluoro-L-tyrosine | Building Blocks | CS-M-04763 | 7423-96-3 | Enquire |
| 3-Iodo-L-tyrosine | Building Blocks | CS-T-29540 | 70-78-0 | In Stock |
| a-Methyl-L-tyrosine | Building Blocks | CS-T-80014 | 672-87-7 | In Stock |
| Boc-3,5-diiodo-D-tyrosine | Building Blocks | CS-M-29677 | 214630-08-7 | Enquire |
| Boc-3-chloro-L-tyrosine | Building Blocks | CS-M-29685 | 192315-36-9 | Enquire |
| Boc-3-iodo-L-tyrosine | Building Blocks | CS-M-29692 | 71400-63-0 | Enquire |
| Boc-3-methoxy-L-tyrosine | Building Blocks | CS-M-29693 | 141900-23-4 | Enquire |
| Boc-N-methyl-O-benzyl-L-tyrosine | Building Blocks | CS-T-68203 | 64263-81-6 | Enquire |
| Boc-O-(2-bromo-Cbz)-D-tyrosine | Building Blocks | CS-DV-03498 | 81189-61-9 | Enquire |
| Boc-O-ethyl-D-tyrosine | Building Blocks | CS-M-29733 | 76757-92-1 | Enquire |
| Boc-O-ethyl-L-tyrosine | Building Blocks | CS-M-29734 | 76757-91-0 | Enquire |
| Boc-O-methyl-D-tyrosine | Building Blocks | CS-M-29735 | 68856-96-2 | Enquire |
| Boc-O-methyl-L-tyrosine | Building Blocks | CS-M-29736 | 53267-93-9 | Enquire |
| Cbz-L-Tyrosine benzyl ester | Building Blocks | CS-T-70815 | 5513-40-6 | Enquire |
| Fmoc-3-amino-L-tyrosine | Building Blocks | CS-M-29763 | 726181-70-0 | Enquire |
| Fmoc-3-chloro-L-tyrosine | Building Blocks | CS-M-29768 | 478183-58-3 | Enquire |
| Fmoc-3-fluoro-DL-tyrosine | Building Blocks | CS-M-29771 | 1219389-96-4 | Enquire |
| Fmoc-3-iodo-L-tyrosine | Building Blocks | CS-M-29776 | 134486-00-3 | Enquire |
| Fmoc-3-nitro-L-tyrosine | Building Blocks | CS-M-29781 | 136590-09-5 | Enquire |
| Fmoc-D-3-chlorotyrosine | Building Blocks | CS-T-76999 | 478183-59-4 | Enquire |
| Fmoc-homo-l-tyrosine | Building Blocks | CS-T-75480 | 198560-10-0 | Enquire |
| Fmoc-nalpha-methyl-o-benzyl-l-tyrosine | Building Blocks | CS-T-74588 | 428868-52-4 | Enquire |
| Fmoc-O-ethyl-D-tyrosine | Building Blocks | CS-M-29820 | 162502-65-0 | Enquire |
| Fmoc-O-methyl-L-tyrosine | Building Blocks | CS-M-29823 | 77128-72-4 | Enquire |
| Fmoc-O-phospho-L-tyrosine | Building Blocks | CS-T-76651 | 147762-53-6 | Enquire |
| Fmoc-O-sulfo-L-tyrosine Sodium Salt | Building Blocks | CS-T-76956 | 106864-37-3 | Enquire |
| Glycyl-L-Tyrosine | Building Blocks | CS-O-01598 | 658-79-7 | In Stock |
| Homo-L-tyrosine Hydrobromide | Building Blocks | CS-T-55689 | 141899-12-9 | Enquire |
| N-(1-Deoxy-D-fructos-1-yl)-L-tyrosine | Building Blocks | CS-T-74081 | 34393-22-1 | Enquire |
| N-(2-Benzoylphenyl)-O-[2-(5-methyl-2-phenyl-4-oxazolyl)ethyl... | Building Blocks | CS-T-75477 | 196808-45-4 | Enquire |
| N-(tert-Butoxycarbonyl)-O-benzyl-L-tyrosine | Building Blocks | CS-O-11067 | 2130-96-3 | In Stock |
| N-[3’,4’-Dihydroxy-(E)-cinnamoyl]-3-hydroxy-L-tyrosine | Building Blocks | CS-T-90351 | 53755-02-5 | Enquire |
| N-Acetyl- L -tyrosine ethyl ester | Building Blocks | CS-O-01975 | 840-97-1 | In Stock |
| N-Acetyl-3-iodo-L-tyrosine Amide | Building Blocks | CS-T-64356 | 59302-19-1 | Enquire |
| N-Acetyl-L-tyrosine | Building Blocks | CS-T-01230 | 537-55-3 | In Stock |
| N-Acetyl-L-Tyrosine Ethyl Ester Monohydrate | Building Blocks | CS-O-30677 | 36546-50-6 | In Stock |
| N-Boc-L-tyrosine | Building Blocks | CS-T-07720 | 3978-80-1 | In Stock |
| N-Fmoc-D-tyrosine | Building Blocks | CS-T-77634 | 112883-29-1 | Enquire |
| N-Methyl-L-tyrosine | Building Blocks | CS-T-58735 | 537-49-5 | Enquire |
| O-(t-Butyl)-N-Fmoc-2,6-dimethyl-L-Tyrosine | Building Blocks | CS-O-43582 | 1043043-79-3 | Enquire |
| O-tert-Butyl-L-tyrosine | Building Blocks | CS-DV-03662 | 18822-59-8 | Enquire |
| Tyr(Clt)-OH | Building Blocks | CS-O-50619 | 1315332-76-3 | Enquire |