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Methyldopa (Aldomet) is a DOPA decarboxylase competitive inhibitor with an ED50 of 21.8 mg/kg. Uses: Adrenergic alpha-agonists; antihypertensive agents; sympatholytics. Synonyms: L-Tyrosine Sesquihydrate;L-Tyrosine;alpha-methyl-L-dopa;α-methyl-L-dopa;L-Tyrosine, 3-hydroxy-α-methyl-. Grades: >98%. CAS No. 555-30-6. Molecular formula: C10H13NO4. Mole weight: 211.21.
Methyldopa
Methyldopa (L-(-)-α-Methyldopa), a potent antihyoertensive agent, is an alpha-adrenergic agonist (selective for α2-adrenergic receptors ). Methyldopa is a proagent and is metabolized (α-Methylepinephrine) in the central nervous system [1] [2]. Uses: Scientific research. Group: Natural products. Alternative Names: L-(-)-α-Methyldopa; MK-351. CAS No. 555-30-6. Pack Sizes: 10 mM * 1 mL; 50 mg; 100 mg. Product ID: HY-B0225.
Methyldopa EP impurity A
Methyldopa EP impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 6739-31-7. Molecular Formula: C11H15NO4. Mole Weight: 225.24. Catalog: APB6739317.
Methyldopa EP Impurity A (Hydrochloride)
Methyldopa EP Impurity A (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-2-amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid hydrochloride. Molecular Formula: C11H15NO4·HCl. Mole Weight: 261.7. Catalog: APB01484.
Methyldopa EP Impurity B (Hydrochloride)
Methyldopa EP Impurity B (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-2-amino-3-(4-methoxyphenyl)-2-methylpropanoic acid hydrochloride. CAS No. 35026-10-9. Molecular Formula: C11H15NO3·HCl. Mole Weight: 245.7. Catalog: APB35026109.
Methyldopa hydrate
Methyldopa hydrate (L-(-)-α-Methyldopa hydrate), a potent antihyoertensive agent, is an alpha-adrenergic agonist (selective for α2-adrenergic receptors ). Methyldopa hydrate is a proagent and is metabolized (α-Methylepinephrine) in the central nervous system [1] [2]. Uses: Scientific research. Group: Natural products. Alternative Names: L-(-)-α-Methyldopa hydrate; MK-351 hydrate. CAS No. 41372-08-1. Pack Sizes: 10 mM * 1 mL; 5 g. Product ID: HY-B0225B.
Methyldopa Hydrate
Methyldopa Hydrate. Uses: For analytical and research use. Group: Impurity standards. CAS No. 41372-08-1. Molecular Formula: C10H13NO4·11/2H2O. Mole Weight: 238.24. Catalog: APB41372081.
Methyldopa impurity 1
Methyldopa impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C12H20ClNO5. Mole Weight: 293.74. Catalog: APB11506.
Methyldopa Impurity 4 (Hydrochloride)
Methyldopa Impurity 4 (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-methyl 2-amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoate hydrochloride. Molecular Formula: C12H17NO4·HCl. Mole Weight: 275.73. Catalog: APB01483.
Methyldopate
Methyldopate is an antihypertensive medication for the treatment of hypertension. It is the ethyl ester prodrug of methyldopa, an α2-adrenergic agonist stimulating central α2-adrenergic receptors and decreasing sympathetic outflow as well as blood pressure. Uses: Adrenergic alpha-2 receptor agonists. Synonyms: α-Methyldopa ethyl ester; Ethyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate. Grades: ≥95%. CAS No. 6014-30-8. Molecular formula: C12H17NO4. Mole weight: 239.3.
3-O-Methyldopa
3-O-Methyldopa (3-Methoxy-L-tyrosine) is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of l-DOPA and dopamine [1]. Uses: Scientific research. Group: Natural products. Alternative Names: 3-Methoxy-L-tyrosine; 3-O-Methyl-L-DOPA. CAS No. 300-48-1. Pack Sizes: 10 mM * 1 mL; 5 mg; 10 mg; 25 mg. Product ID: HY-113468A.
3-O-Methyldopa monohydrate
3-O-Methyldopa monohydrate (3-Methoxy-L-tyrosine monohydrate) is a significant metabolite of L-DOPA produced through the action of catechol O-methyltransferase (COMT). Unlike its precursor, 3-O-Methyldopa does not serve as a substrate or inhibitor of L-amino acid decarboxylase activity. Additionally, the inhibition of COMT can amplify the anti-Parkinson effects of L-DOPA. Uses: Scientific research. Group: Signaling pathways. Alternative Names: 3-Methoxy-L-tyrosine monohydrate; 3-O-Methyl-L-DOPA monohydrate. CAS No. 200630-46-2. Pack Sizes: 5 mg; 10 mg. Product ID: HY-W012264.
4-O-Methyldopa Impurity (Hydrochloride)
4-O-Methyldopa Impurity (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-2-amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid hydrochloride. Molecular Formula: C11H15NO4·HCl. Mole Weight: 261.7. Catalog: APB01485.
4-O-Methyldopamine hydrochloride
4-O-Methyldopamine hydrochloride is a catecholamine compound that has an inhibitory effect on dihydropteridine reductase [1]. Uses: Scientific research. Group: Signaling pathways. CAS No. 645-33-0. Pack Sizes: 10 mM * 1 mL; 50 mg; 100 mg. Product ID: HY-W041498.
Alpha-Methyldopa Methyl Ester
Alpha-Methyldopa Methyl Ester. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: α-Methyldopa Methyl Ester,Methyl (2S)-2-Amino-3-(3,4-dihydroxyphenyl)-2-methyl-propanoate, 3-Hydroxy-α-methyl-L-tyrosine Methyl Ester, Alanine, 3-(3,4-dihydroxyphenyl)-2-methyl-, methyl ester, L- (8CI). CAS No. 18181-08-3. IUPAC Name: methyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate. Molecular Formula: C11H15NO4. Mole Weight: 225.24. Catalog: APS18181083. SMILES: COC(=O)[C@@](C)(N)Cc1ccc(O)c(O)c1. Format: Neat.
Dl-methyldopa. Uses: Designed for use in research and industrial production. Additional or Alternative Names: DL-Methyldopa. Product Category: Heterocyclic Organic Compound. CAS No. 555-29-3. Molecular formula: C10H13NO4. Mole weight: 211.22. Product ID: ACM555293. Alfa Chemistry ISO 9001:2015 Certified. Categories: Mulfasin, Demethyldopan.
L-(-)-α-Methyldopa
L-(-)-α-Methyldopa. Group: Biochemicals. Grades: Purified. CAS No. 555-30-6. Pack Sizes: 1g. US Biological Life Sciences.
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L-(-)-a-Methyldopa
L-(-)-a-Methyldopa is an anti-ParkinsonÂs drug that has been used in anti-ParkinsonÂs mixtures. Group: Biochemicals. Grades: Highly Purified. CAS No. 555-30-6. Pack Sizes: 100mg, 500mg. Molecular Formula: C10H13NO4, Molecular Weight: 211.22. US Biological Life Sciences.
3-(3,4-Dihydroxyphenyl)-2-methyl-L-alanine. Uses: Designed for use in research and industrial production. Additional or Alternative Names: ALPHA-METHYL-L-DOPA;ALPHA-METHYL-L-BETA-3,4-DIHYDROXYPHENYLALANINE;3-(3,4-DIHYDROXYPHENYL)-ALPHA-METHYL-L-ALANINE;3-(3,4-DIHYDROXYPHENYL)-2-METHYL-L-ALANINE;2-METHYL-3-(3,4-DIHYDROXYPHENYL)-L-ALANINE;L-(-)-ALPHA-METHYLDOPA;L-ALPHA-METHYL-DOPA;L-3-(3,4-DI. Product Category: Heterocyclic Organic Compound. CAS No. 88620-56-8. Molecular formula: C10H13NO4. Mole weight: 211.21. Purity: 0.96. IUPACName: (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid. Canonical SMILES: CC(CC1=CC(=C(C=C1)O)O)(C(=O)O)N. ECNumber: 209-089-2. Product ID: ACM88620568. Alfa Chemistry ISO 9001:2015 Certified.
3-Hydroxy-4-methoxyphenethylamine hydrochloride
3-Hydroxy-4-methoxyphenethylamine hydrochloride. Group: Biochemicals. Alternative Names: 4-O-Methyldopamine hydrochloride. Grades: Highly Purified. CAS No. 645-33-0. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C9H14ClNO2. US Biological Life Sciences.
Worldwide
3-Methoxy-p-tyramine Hydrochloride
3-Methoxy-p-tyramine is a major metabolite of Dopamine. Synonyms: 4-(2-Aminoethyl)-2-methoxyphenol Hydrochloride; 4-(2-Aminoethyl)guaiacol Hydrochloride; 2-Methoxytyramine Hydrochloride; 3-Methoxy-4-hydroxy-phenethylamine Hydrochloride; 3-O-Methyldopamine Hydrochloride; 4-(2-Aminoethyl)-2-methoxyphenol Hydrochloride; 4-. Grades: > 95%. CAS No. 1477-68-5. Molecular formula: C9H14ClNO2. Mole weight: 203.67.
3-Methoxytyramine Sulfate
An impurity of Tyramine. Tyramine is a catecholamine releasing agent that binds to both TAAR1 and TAAR2 as an agonist. Tyramine is derived from Tyrosine. Synonyms: [4-(2-aminoethyl)-2-methoxyphenyl] hydrogen sulfate; 3-Methyldopamine O-sulfate; CHEBI:133708; 4-(2-aminoethyl)-2-methoxyphenyl hydrogen sulfate. Molecular formula: C9H13NO5S. Mole weight: 247.27.
3-O-Methyl Dopa
Levodopa Related Compound B. Synonyms: DL-3-O-Methyldopa; 3-Methoxytyrosine. Grades: > 95%. CAS No. 300-48-1. Molecular formula: C10H13NO4. Mole weight: 211.22.
3-O-Methyl-L-DOPA 4-Glucuronide
3-O-Methyl-L-DOPA 4-Glucuronide. Group: Biochemicals. Alternative Names: (S)-4-(2-Amino-2-carboxyethyl)-2-methoxyphenyl β-D-Glucopyranosiduronic Acid; 3-O-Methyldopa Glucuronide. Grades: Highly Purified. CAS No. 52583-26-3. Pack Sizes: 1mg. Molecular Formula: C16H21NO10, Molecular Weight: 387.34. US Biological Life Sciences.
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3-O-Methyl-L-DOPA-d3 4-Glucuronide
3-O-Methyl-L-DOPA-d3 4-Glucuronide. Group: Biochemicals. Alternative Names: (S)-4-(2-Amino-2-carboxyethyl)-2-methoxyphenyl β-D-Glucopyranosiduronic Acid-d3; 3-O-Methyldopa-d3 Glucuronide. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C16H18D3NO10, Molecular Weight: 390.36. US Biological Life Sciences.
Worldwide
3-O-Methyl-L-DOPA Monohydrate
3-O-Methyl-L-DOPA is the major metabolite of L-DOPA via catechol O-methyltransferase (COMT). 3-Methoxy-L-tyrosine is neither a substrate for nor an inhibitor of L-amino acid decarboxylase activity. Inhibition of COMT enhances the anti-Parkinson activity of L-DOPA. Group: Biochemicals. Alternative Names: 3-Methoxy-L-tyrosine Monohydrate; 3-Methoxy-4-hydroxyphenylalanine Monohydrate; 3-Methoxy-DOPA Monohydrate; 3-Methoxy-L-tyrosine Monohydrate; 3-O-Methyldopa Monohydrate; L-3-Methoxy-4-hydroxyphenylalanine Monohydrate; L-3-O-Methyl-DOPA Monohydrate; L-4-Hydroxy-3-methoxyphenylalanine Monohydrate. Grades: Highly Purified. CAS No. 200630-46-2. Pack Sizes: 10mg, 25mg, 50mg. US Biological Life Sciences.
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4-Methoxy Tryamine HCl
4-Methoxy Tryamine HCl is a derivative of Dopamine with α and β-adrenergic activity. 4-Methoxy Tryamine HCl is commonly used as cardiotonic and antihypotensive. Synonyms: 3-Hydroxy-4-methoxyphenethylamine Hydrochloride; 4-O-Methyldopamine Hydrochloride; 5-(2-Aminoethylguaiacol Hydrochloride; 5-(2-Aminoethyl)-2-methoxyphenol Hydrochloride; 2-(3-Hydroxy-4-methoxyphenyl)ethanamine Hydrochloride 3-Hydroxy-4-methoxy-β-phenethylamine Hydrochloride 3-Hydroxy-4-methoxyphenethylamine Hydrochloride. CAS No. 645-33-0. Molecular formula: C9H13NO2.HCl. Mole weight: 207.63.
Carbidopa
Carbidopa is an aromatic-L-amino-acid decarboxylase inhibitor with an IC50 of 29 ± 2 μM. Uses: Antiparkinson agents. Synonyms: α-Methyldopahydrazine; (S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid; N-amino-alpha-methyl-3-hydroxy-L-tyrosine; (S)-α-Hydrazino-3,4-dihydroxy-α-methylbenzenepropanoic acid; (-)-L-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinnamic acid; (S)-(-)-Carbidopa; (αS)-α-Hydrazino-3,4-dihydroxy-α-methylbenzenepropanoic Acid; (S)-Carbidopa; 1-α-(3,4-Dihydroxybenzyl)-α-hydrazinopropionic Acid; HMD; Hydrazino-α-methyldopa; Lodosin; Lodosyn; MK 486; N-Aminomethyldopa. Grades: >98%. CAS No. 28860-95-9. Molecular formula: C10H14N2O4. Mole weight: 226.23.
Carbidopa Hydrate
Carbidopa Hydrate is a hydrate form of Carbidopa. Carbidopa is an aromatic-L-amino-acid decarboxylase inhibitor with an IC50 of 29 ± 2 μM. It inhibits the conversion of levodopa to dopamine. Uses: Antiparkinson agents. Synonyms: α-Methyldopahydrazine monohydrate; (S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid monohydrate; N-amino-alpha-methyl-3-hydroxy-L-tyrosine monohydrate; (S)-α-Hydrazino-3,4-dihydroxy-α-methylbenzenepropanoic acid monohydrate; (-)-L-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinnamic acid monohydrate; Lodosin monohydrate; Lodosyn monohydrate; MK 486 monohydrate; N-Aminomethyldopa monohydrate; (S)-(-)-Carbidopa monohydrate. Grades: ≥95%. CAS No. 38821-49-7. Molecular formula: C10H14N2O4.H2O. Mole weight: 244.25.
D-α-Methyl DOPA
Antihypertensive agent. Group: Biochemicals. Alternative Names: 3-Hydroxy-α-methyl-D-tyrosine; D-3-(3,4-Dihydroxyphenyl)-2-methylalanine; (+)-α-Methyldopa; D-(3,4-Dihydroxyphenyl)-2-methylalanine; D-Methyldopa. Grades: Highly Purified. CAS No. 2799-15-7. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
D-dopachrome decarboxylase
This enzyme is specific for D-dopachrome as substrate and belongs to the MIF (macrophage migration inhibitory factor) family of proteins. L-Dopachrome, L- or D-α-methyldopachrome and dopaminochrome do not act as substrates (see also EC 5.3.3.12, L-dopachrome isomerase). Group: Enzymes. Synonyms: phenylpyruvate tautomerase II; D-tautomerase;D-dopachrome tautomerase; D-dopachrome carboxy-lyase. Enzyme Commission Number: EC 4.1.1.84. CAS No. 184111-06-6. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4833; D-dopachrome decarboxylase; EC 4.1.1.84; 184111-06-6; phenylpyruvate tautomerase II; D-tautomerase;D-dopachrome tautomerase; D-dopachrome carboxy-lyase. Cat No: EXWM-4833.
Deoxy Epinephrine Hydrochloride
Deoxy Epinephrine Hydrochloride is the active metabolic breakdown product of the prodrug ibopamine, which is used to treat congestive heart failure. Synonyms: 4-[2-(Methylamino)ethyl]-1,2-benzenediol Hydrochloride; 4-[2-(Methylamino)ethyl]pyrocatechol Hydrochloride; 1-(3,4-Dihydroxyphenyl)-2-methylaminoethane Hydrochloride; 3,4-Dihydroxy-N-methylphenethylamine Hydrochloride; 4-(2-Methylaminoethyl)pyrocatechol Hydrochloride; Desoxyepinephrine Hydrochloride; Epinin Hydrochloride; Epinine Hydrochloride; Epyamine Hydrochloride; N-Methyl-3,4-dihydroxyphenethylamine Hydrochloride; N-Methyldopamine Hydrochloride. Grades: 95%. CAS No. 62-32-8. Molecular formula: C9H14ClNO2. Mole weight: 203.67.
D,L-Carbidopa
An inhibitor of aromatic amino acid decarboxylase. Group: Biochemicals. Alternative Names: α-Hydrazino-3,4-dihydroxy-α-methyl-benzenepropanoic Acid;DL-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinnamic Acid; α-Hydrazino-α-methyldopa; dl-MK 485; NSC 92521. Grades: Highly Purified. CAS No. 302-53-4. Pack Sizes: 2.5mg. US Biological Life Sciences.
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Dopamine Impurity C (3,4-Dimethoxyphenethylamine)
A methylated metabolite of Dopamine. Synonyms: 2-(3,4-Dimethoxyphenyl)-1-aminoethane; 2-(3,4-Dimethoxyphenyl)ethanamine; 2-(3,4-Dimethoxyphenyl)ethylamine; 3,4-Di-O-methyldopamine; 3,4-Dimethoxy-β-phenylethylamine. Grades: > 95%. CAS No. 120-20-7. Molecular formula: C10H15NO2. Mole weight: 181.24.
L-α-Methyl DOPA Dimethyl Ether Hydrochloride
L-α-Methyl DOPA Dimethyl Ether is a α-MethylDOPA derivative. Group: Biochemicals. Alternative Names: 3-Methoxy-O,α-dimethyl-L-tyrosine Hydrochloride; L-α-Amino-α-methyl- β - (3, 4-dimethoxyphenyl) propionic Acid Hydrochloride; α-Methyl-3,4-dimethoxy-L-phenylalanine Hydrochloride; 3-(3,4-Dimethoxyphenyl)-2-methyl-L-alanine Hydrochloride. Grades: Highly Purified. CAS No. 5486-79-3. Pack Sizes: 2.5mg. US Biological Life Sciences.
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L-α-Methyl DOPA Hydrate
L-α-Methyl DOPA Hydrate is an alpha-adrenergic agonist used as a sympatholytic or antihypertensive. Uses: Antihypertensive agent. Synonyms: (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid;hydrate; 3-Hydroxy-α-methyl-L-tyrosine Hydrate; (-)-α-Methyldopa Hydrate. Grades: >98%. CAS No. 41372-08-1. Molecular formula: C10H13NO4.3/2H2O. Mole weight: 238.241.
L-α-Methyl DOPA Methyl Ester Hydrochloride
Methyldopa angiotensin II analog. Group: Biochemicals. Alternative Names: 3-Hydroxy-α-methyl-L-tyrosine Methyl Ester Hydrochloride. Grades: Highly Purified. CAS No. 115054-62-1. Pack Sizes: 1g. US Biological Life Sciences.
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Levonordefrin
Levonordefrin is a adrenergic receptor agonist and can be used as a topical nasal decongestant and vasoconstrictor in dentistry in the United States. Levonordefrin is also a metabolite of the antihypertensive drug methyldopa. Uses: Decongestant; vasoconstrictor. Synonyms: 4-[(1R,2S)-2-Amino-1-hydroxypropyl]-1,2-benzenediol; BA 2818; Corbadrine; D-(-)-Cobefrin; L-α-Methylnoradrenaline; Levonordefrin; Neo-cobefrin; l-Cobefrin; (-)-Nordefrin. Grades: 98%. CAS No. 829-74-3. Molecular formula: C9H13NO3. Mole weight: 183.20.
MK-351 hydrochloride
MK-351 hydrochloride is an alpha-adrenergic agonist selective for α2-adrenergic receptors. It is a psychoactive drug used as a sympatholytic or antihypertensive. It plays a role in treating hypertension and gestational hypertension. It has a dual mechanism of action. It is a competitive inhibitor of the enzyme DOPA decarboxylase, which converts L-DOPA into dopamine. It is converted to α-methylnorepinephrine by dopamine beta-hydroxylase. Uses: Mk-351 hydrochloride is a psychoactive drug used as a sympatholytic or antihypertensive. it plays a role in treating hypertension and gestational hypertension. Synonyms: MK-351 hydrochloride; MK 351 hydrochloride; MK351 hydrochloride; Alpha-Methyldopa hydrochloride;L-(-)-A-Methyldopa hydrochloride;Alpha-Methyldopa HCl;(2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid;3-Hydroxy-alpha-methyl-L-tyrosine hydrochloride;L-Tyrosine, 3-hydroxy-alpha-methyl-, hydrochloride;Methyldopa hydrochloride. Grades: >98 %. CAS No. 884-39-9. Molecular formula: C10H14ClNO4. Mole weight: 247.68.
(S)-(-)-Carbidopa
(S)-(-)-Carbidopa is a peripheral decarboxylase inhibitor that is commonly used in combination with L-DOPA for treatment of Parkinsonism. S(-)-Carbidopa ( has also been shown to prolong the elimination half-life of L-DOPA from blood plasma and skeletal muscle. Group: Biochemicals. Alternative Names: (αS)-α-Hydrazino-3,4-dihydroxy-α-methylbenzenepropanoic Acid; (-)-L-α-Hydrazino-3,4-dihydroxy-α-methylhydrocinamic Acid; (S)-Carbidopa; 1-α-(3,4-Dihydroxybenzyl)-α-hydrazinopropionic Acid; Carbidopa; HMD; Hydrazino-α-methyldopa; L-3-(3,4-Dihydroxyphenyl)-2-methyl-2-hydrazinopropionic Acid; L-α-(3,4-Dihydroxybenzyl)-α-hydrazinopropionic Acid; L-α-Methyl- β-(3,4-dihydroxyphenyl)-α-hydrazinopropionic Acid; L-α-Methyldopahydrazine; Lodosin; Lodosyn; MK 486; N-Aminomethyldopa; α-Hydrazino-α-methyl- β - (3, 4-dihydroxyphenyl) propionic Acid; α-Methyldopahydrazine. Grades: Highly Purified. CAS No. 28860-95-9. Pack Sizes: 1g. US Biological Life Sciences.
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