Dopa

Methyldopa EP Impurity C

Catalogue #: AR-D02237
CAS #: 39948-18-0
Alternate CAS #: 5486-79-3 (HCl salt)
Molecular Formula:
Molecular weight: 239.27

H.S. code: 29225000

Inventory Status:

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(S)-2-amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid;3-Methoxy-O,?-dimethyl-L-tyrosine Hydrochloride; L-?-Amino-?-methyl-?-(3,4-dimethoxyphenyl)propionic Acid Hydrochloride; ?-Methyl-3,4-dimethoxy-L-phenylalanine Hydrochloride; 3-(3,4-Dimethoxyphenyl)-2-methyl-L-alanine Hydrochloride; Methyldopa EP Impurity C;L-?-Methyl DOPA Dimethyl Ether Hydrochloride

Methyldopa EP Impurity B HCl

M.F.

M.W. 209.25 36.46

CAT# AR-D02222

CAS# 35026-10-9

Methyldopa-d3

M.F.

M.W. 214.24

CAT# AR-D02213

CAS# NA

Droxidopa

M.F.

M.W. 213.19

CAT# AR-D02239

CAS# 23651-95-8

2-Methoxy-5-(2-nitrovinyl)phenol

M.F.

M.W. 195.17

CAT# AR-D02249

CAS# 39816-35-8

Methyldopa EP Impurity A

M.F.

M.W. 225.25

CAT# AR-D02218

CAS# 6739-31-7

Levodopa EP Impurity D (3,4-Dihydroxy-D-Phenylalanine)

M.F.

M.W. 197.19

CAT# AR-D02195

CAS# 5796-17-8

3-O-Methyl Dopa

M.F.

M.W. 211.22

CAT# AR-D02196

CAS# 300-48-1

Levodopa-d3

M.F.

M.W. 200.21

CAT# AR-D02197

CAS# 53587-29-4

Levodopa sulfate

M.F.

M.W. 277.25

CAT# AR-D02199

CAS# 217657-34-6

3-O-methyl dopa glucuronide

M.F.

M.W. 387.35

CAT# AR-D02200

CAS# NA

3-O-Methyldopa-d3

M.F.

M.W. 214.24

CAT# AR-D02201

CAS# 586954-09-8

3-O-methyl dopa sulfate

M.F.

M.W. 247.27

CAT# AR-D02202

CAS# NA

Dopamine HCl

M.F.

M.W. 153.18 36.46

CAT# AR-D02203

CAS# 62-31-7

4-O-Methyl Dopa

M.F.

M.W. 211.22

CAT# AR-D02204

CAS# 35296-56-1

4-O-Methyldopa-d3

M.F.

M.W. 214.24

CAT# AR-D02205

CAS# NA

Levodopa

M.F.

M.W. 197.19

CAT# AR-D02206

CAS# 59-92-7

6-Hydroxy Dopamine-d4

M.F.

M.W. 173.21

CAT# AR-D02208

CAS# N/A

6-Hydroxy Dopa HCl

M.F.

M.W. 213.19 36.46

CAT# AR-D02209

CAS# 68463-64-9

L-Veratrylglycine

M.F.

M.W. 225.24

CAT# AR-D02210

CAS# 32161-30-1

3-Methoxytyramine

M.F.

M.W. 167.21

CAT# AR-D02211

CAS# 554-52-9

Levodopa EP Impurity C ((DL)-3-O-Methyldopa)

M.F.

M.W. 211.21

CAT# AR-D02212

CAS# 7636-26-2

Carbidopa Related Compound A

M.F.

M.W. 240.26

CAT# AR-D02214

CAS# 85933-19-3

Dopamine-d4 HCl

M.F.

M.W. 157.21 36.46

CAT# AR-D02215

CAS# NA

Dopamine Impurity C

M.F.

M.W. 181.24

CAT# AR-D02221

CAS# 120-20-7

DL-Methyldopa-d3

M.F.

M.W. 214.24

CAT# AR-D02223

CAS# 55-40-3 (non-labelled)

5,6-dihydroxy-1H-indole-2-carboxylic acid

M.F.

M.W. 193.16

CAT# AR-D02231

CAS# 4790-08-3

Droxidopa Impurity 1

M.F.

M.W. 168.15

CAT# AR-D02235

CAS# 13023-73-9

2-(3,4-dihydroxyphenyl)acetaldehyde

M.F.

M.W. 152.15

CAT# AR-D02236

CAS# 5707-55-1

Methyldopa EP Impurity C

M.F.

M.W. 239.27

CAT# AR-D02237

CAS# 39948-18-0

6-Hydroxy L-DOPA (Levadopa Related Compound A)

M.F.

M.W. 213.19

CAT# AR-D02238

CAS# 27244-64-0

L-threo-Droxidopa-13C2-15N

M.F.

M.W. 216.17

CAT# AR-D02240

CAS# 1276295-04-5

Droxidopa-13C6

M.F.

M.W. 219.12

CAT# AR-D02241

CAS# NA

Droxidopa Impurity 3

M.F.

M.W. 213.19

CAT# AR-D02243

CAS# 51829-98-2

Droxidopa Impurity 4

M.F.

M.W. 527.57

CAT# AR-D02244

CAS# 55382-14-4

Droxidopa Impurity 5

M.F.

M.W. 213.19

CAT# AR-D02246

CAS# NA

Levodopa Impurity 1 HCl

M.F.

M.W. 223.23 36.46

CAT# AR-D02247

CAS# 32404-28-7

(E)-4-(2-nitrovinyl)benzene-1,2-diol

M.F.

M.W. 181.15

CAT# AR-D02250

CAS# 108074-44-8

1,2-dimethoxy-4-(2-nitrovinyl)benzene

M.F.

M.W. 209.2

CAT# AR-D02251

CAS# 4230-93-7

(E)-2-Methoxy-4-(2-nitrovinyl)phenol

M.F.

M.W. 195.17

CAT# AR-D02252

CAS# 22568-51-0

(E)-1,2-dimethoxy-3-(2-nitrovinyl)benzene

M.F.

M.W. 209.2

CAT# AR-D02253

CAS# 37630-20-9

Droxidopa Impurity 6

M.F.

M.W. 285.3

CAT# AR-D02254

CAS# NA

Dibenzylamine

M.F.

M.W. 197.28

CAT# AR-D02256

CAS# 103-49-1

DL-dopaquinone

M.F.

M.W. 195.17

CAT# AR-D02257

CAS# 4430-97-1

Droxidopa Impurity 7

M.F.

M.W. 227.22

CAT# AR-D02258

CAS# NA

Droxidopa Impurity 8

M.F.

M.W. 227.22

CAT# AR-D02259

CAS# 29025-01-02

Droxidopa Impurity 7-13C2-15N

M.F.

M.W. 230.19

CAT# AR-D02260

CAS# NA

Droxidopa Impurity 8-13C2-15N

M.F.

M.W. 230.19

CAT# AR-D02261

CAS# 29025-01-2 (non-labelled)

Levodopa Impurity 2

M.F.

M.W. 225.24

CAT# AR-D02262

CAS# 55-59-4

Levodopa Impurity 3

M.F.

M.W. 267.28

CAT# AR-D02263

CAS# 27313-65-1

(R)-3-Methoxytyrosine

M.F.

M.W. 211.22

CAT# AR-D02264

CAS# 15402-76-3

Droxidopa Impurity 7-13C-d3 HCl

M.F.

M.W. 231.23 36.46

CAT# AR-D02265

CAS# 39846-91-8 (non-labelled, free base)

Methyldopa EP Impurity C HCl H2O

M.F.

M.W. 239.27 36.46 18.05

CAT# AR-D02266

CAS# NA

erythro-?,3-Dihydroxy-L-tyrosine

M.F.

M.W. 213.19

CAT# AR-D02267

CAS# 34047-62-6

DL-threo-Droxidopa

M.F.

M.W. 213.19

CAT# AR-D02268

CAS# 3916-18-5

Droxidopa Impurity 11 (DL-erythro-Droxidopa)

M.F.

M.W. 213.19

CAT# AR-D02269

CAS# NA

4-O-Methyl Dopa HCl salt

M.F.

M.W. 247.67

CAT# AR-D06049

CAS# 37466-29-8

Methyldopa-d3 HCl Salt

M.F.

M.W. 214.24:36.45

CAT# AR-D06059

CAS# NA

5,6-Dihydroxyindole

M.F.

M.W. 149.2

CAT# AR-D06090

CAS# 3131-52-0

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