Impurity Reference Standard - Products

Droxidopa

CAT No: CL-DXD-01 CAS No: 23651-95-8 Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: In Stock

Chemical Name: 2S,3R)-3-(3,4-Dihydroxyphenyl)-2-amino-3-hydroxypropanoic Acid ; DOPS; L-DOPS; L-Threodops

Droxidopa Impurity 1

CAT No: CL-DXD-02 CAS No: 13023-73-9 Mol Wt: 168.2 Mol F: C8H8O4 Inv Status: Custom Synthesis

Chemical Name: 3,4-Dihydroxyphenylglycolaldehyde

Droxidopa Impurity 2

CAT No: CL-DXD-03 CAS No: 5707-55-1 Mol Wt: 152.2 Mol F: C8H8O3 Inv Status: Custom Synthesis

Chemical Name: 3,4-Dihydroxy-?-tolualdehyde

Droxidopa Impurity 3

CAT No: CL-DXD-04 CAS No: 51829-98-2 Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: Erythro-?,3-Dihydroxy-D-tyrosine ; D-erythro-3,4-Dihydroxyphenylserine

Droxidopa Carbamate

CAT No: CL-DXD-05 CAS No: 55382-14-4 Mol Wt: 527.6 Mol F: C31H29NO7 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-2-(((Benzyloxy)carbonyl)amino)-3-(3,4-bis(benzyloxy)phenyl)-3-hydroxypropanoic acid

Droxidopa Enantiomer

CAT No: CL-DXD-06 CAS No: 51829-99-3 Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: (2R,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid compound with (2S,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid (1:1)

Droxidopa Impurity 6

CAT No: CL-DXD-07 CAS No: 90044-46-5 Mol Wt: 285.3 Mol F: C16H15NO4 Inv Status: Custom Synthesis

Chemical Name: 5,6,11,12-Tetrahydro-5,11-epiminodibenzo[a,e][8]annulene-2,3,8,9-tetraol

Droxidopa Impurity 7

CAT No: CL-DXD-08 CAS No: 39846-91-8 Mol Wt: 227.2 Mol F: C10H13NO5 Inv Status: Custom Synthesis

Chemical Name: 2-Amino-3-hydroxy-3-(4-hydroxy-3-methoxyphenyl)propanoic acid

Droxidopa Impurity 8

CAT No: CL-DXD-09 CAS No: 28865-97-6 Mol Wt: 227.2 Mol F: C10H13NO5 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-2-Amino-3-hydroxy-3-(4-hydroxy-3-methoxyphenyl)propanoic acid

Droxidopa Impurity 9

CAT No: CL-DXD-10 CAS No: 34047-62-6 Mol Wt: 227.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: (2S,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid

Droxidopa Impurity 10

CAT No: CL-DXD-11 CAS No: 3916-18-5 Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: DL-threo-Droxidopa

Droxidopa Impurity 11

CAT No: CL-DXD-12 CAS No: 16322-99-9 Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: DL-Erythreo-Droxidopa

Droxidopa Benzoate

CAT No: CL-DXD-13 CAS No: NA Mol Wt: 317.3 Mol F: C16H15NO6 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-2-amino-3-(3-(benzoyloxy)-4-hydroxyphenyl)-3-hydroxypropanoic acid

Droxidopa Monobenzyl Impurity

CAT No: CL-DXD-14 CAS No: NA Mol Wt: 317.3 Mol F: C17H19NO5 Inv Status: Custom Synthesis

Chemical Name: Droxidopa Monobenzyl Impurity

Droxidopa Carbamate Benzoate Impurity

CAT No: CL-DXD-15 CAS No: NA Mol Wt: 526.6 : 228.3 Mol F: C31H28NO7 : C15H18NO Inv Status: Custom Synthesis

Chemical Name: (S)-1-hydroxy-1,1-diphenylpropan-2-aminium (2S,3R)-2-(((benzyloxy)carbonyl)amino)-3-(3,4-bis(benzyloxy)phenyl)-3-hydroxypropanoate

Droxidopa Benzaldehyde Compound

CAT No: CL-DXD-16 CAS No: (5447-02-9) Mol Wt: 318.4 Mol F: C21H18O3 Inv Status: Custom Synthesis

Chemical Name: 3,4-Bis(benzyloxy)benzaldehyde

Droxidopa Impurity 18

CAT No: CL-DXD-17 CAS No: 78603-91-5 Mol Wt: NA Mol F: C15H17NO Inv Status: Custom Synthesis

Chemical Name: (S)-2-Amino-1,1-diphenylpropan-1-ol

Droxidopa Erythro

CAT No: CL-DXD-18 CAS No: NA Mol Wt: NA Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: (2R,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid compound with (2S,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid (1:1)

Droxidopa Impurity 20

CAT No: CL-DXD-19 CAS No: 2097541-16-5 Mol Wt: 459.5 Mol F: C28H29NO5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (4S,5R)-5-(3,4-bis(benzyloxy)phenyl)-4,5-dihydrooxazole-4-carboxylate

Droxidopa Impurity 21

CAT No: CL-DXD-20 CAS No: NA Mol Wt: 343.3 Mol F: C17H13NO7 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-3-(3,4-Dihydroxyphenyl)-2-(1,3-dioxoisoindolin-2-yl)-3-hydroxypropanoic acid

Droxidopa Impurity 22

CAT No: CL-DXD-21 CAS No: 56672-56-1 Mol Wt: 225.2 Mol F: C10H11NO5 Inv Status: Custom Synthesis

Chemical Name: 2-Amino-3-(benzo[d][1,3]dioxol-5-yl)-3-hydroxypropanoic acid

Droxidopa Impurity 23

CAT No: CL-DXD-22 CAS No: 1432483-91-4 Mol Wt: 169.2 : 36.5 Mol F: C8H11NO3 : HCl Inv Status: Custom Synthesis

Chemical Name: 4-(2-Amino-1-hydroxyethyl)benzene-1,2-diol hydrochloride

Droxidopa Impurity 24

CAT No: CL-DXD-23 CAS No: NA Mol Wt: 169.2 : 36.5 Mol F: C48H42ClN3NiO6 Inv Status: Custom Synthesis

Chemical Name: 4-(2-Amino-1-hydroxyethyl)benzene-1,2-diol hydrochloride

Droxidopa Amine

CAT No: CL-DXD-24 CAS No: 55637-52-0 Mol Wt: 393.4 Mol F: C23H23NO5 Inv Status: Custom Synthesis

Chemical Name: 2-Amino-3-(3,4-bis(benzyloxy)phenyl)-3-hydroxypropanoic acid

Droxidopa Impurity 25

CAT No: CL-DXD-25 CAS No: 106887-48-3 Mol Wt: 393.4 Mol F: C23H23NO5 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-2-Amino-3-(3,4-bis(benzyloxy)phenyl)-3-hydroxypropanoic acid

N-Hydroxyphthalimide

CAT No: CL-DXD-26 CAS No: 524-38-9 Mol Wt: 163.1 Mol F: C8H5NO3 Inv Status: Custom Synthesis

Chemical Name: 2-Hydroxyisoindoline-1,3-dione

Droxidopa Impurity 26

CAT No: CL-DXD-27 CAS No: 96561-44-3 Mol Wt: 355.3 Mol F: C18H13NO7 Inv Status: Custom Synthesis

Chemical Name: (2R,3S)-3-(Benzo[d][1,3]dioxol-5-yl)-2-(1,3-dioxoisoindolin-2-yl)-3-hydroxypropanoic acid

Droxidopa Impurity 27

CAT No: CL-DXD-28 CAS No: NA Mol Wt: 476 Mol F: C27H26ClN3O3 Inv Status: Custom Synthesis

Chemical Name: (R,E)-2-(((2-(1-Benzylpyrrolidine-2-carboxamido)-5-chlorophenyl)(phenyl)methylene)amino)acetic acid

Droxidopa Impurity 28

CAT No: CL-DXD-29 CAS No: NA Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: 3,4-Dihydroxyphenyl L-serinate

Droxidopa Impurity 29 (HCl salt)

CAT No: CL-DXD-30 CAS No: NA Mol Wt: 329.3 : 36.5 Mol F: C17H15NO6 : HCl Inv Status: Custom Synthesis

Chemical Name: 2,3,8,9-Tetrahydroxy-11,12-dihydro-5,11-epiminodibenzo[a,e][8]annulene-5(6H)-carboxylic acid hydrochloride

Droxidopa Impurity Mixture

CAT No: CL-DXD-31 CAS No: NA Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: (2R,3R)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid compound with (2S,3S)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid (1:1)

Droxidopa Phthalimido Impurity

CAT No: CL-DXD-32 CAS No: NA Mol Wt: 343.3 Mol F: C17H13NO7 Inv Status: Custom Synthesis

Chemical Name: 3-(3,4-Dihydroxyphenyl)-2-(1,3-dioxoisoindolin-2-yl)-3-hydroxypropanoic acid

Droxidopa Racemic Standard

CAT No: CL-DXD-33 CAS No: 492-46-6 Mol Wt: 213.2 Mol F: C9H11NO5 Inv Status: Custom Synthesis

Chemical Name: 2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid

Droxidopa Carbamate Ammonium Salt

CAT No: CL-DXD-36 CAS No: NA Mol Wt: 526.6 : 228.3 Mol F: C31H28NO7 : C15H18NO Inv Status: Custom Synthesis

Chemical Name: (S)-1-Hydroxy-1,1-diphenylpropan-2-aminium (2S,3R)-2-(((benzyloxy)carbonyl)amino)-3-(3,4-bis(benzyloxy)phenyl)-3-hydroxypropanoate

Droxidopa Carbamate Benzoate Impurity

CAT No: CL-DXD-37 CAS No: NA Mol Wt: 541.6 Mol F: C31H27NO8 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-3-(3-(Benzoyloxy)-4-(benzyloxy)phenyl)-2-(((benzyloxy)carbonyl)amino)-3-hydroxypropanoic acid

Type:Impurity Reference Standard

API NAME:Droxidopa

Total Products: 35

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