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Pharmaceutical Reference Standards / Impurity Standards

Carbidopa

Carbidopa

CAT. No.C720000
CAS. No.28860-95-9
Mol. F.C10H14N2O4
Mol. W.244.25 g/mol
Stock Status:Instock

D,L-Carbidopa

D,L-Carbidopa

CAT. No.C720000B
CAS. No.302-53-4
Mol. F.C10H14N2O4
Mol. W.226.23 g/mol
Stock Status:Please Enquire

(S)-(-)-Carbidopa

(S)-(-)-Carbidopa

CAT. No.C720000C
CAS. No.28860-95-9
Mol. F.C10H14N2O4
Mol. W.226.23 g/mol
Stock Status:Please Enquire

3,4-dihydroxybenzaldehyde

3,4-dihydroxybenzaldehyde

CAT. No.C720001
CAS. No.139-85-5
Mol. F.C7H6O3
Mol. W.138.12 g/mol
Stock Status:Instock

3-O-Methyl Carbidopa

3-O-Methyl Carbidopa

CAT. No.C720003
CAS. No.85933-19-3
Mol. F.C11H16N2O4
Mol. W.240.26 g/mol
Stock Status:Custom Synthesis

Carbidopa Impurity C

Carbidopa Impurity C

CAT. No.C720003A
CAS. No.84488-77-7
Mol. F.C11H16N2O4
Mol. W.240.30 g/mol
Stock Status:Please Enquire

Carbidopa Impurity B

Carbidopa Impurity B

CAT. No.C720004
CAS. No.NA
Mol. F.C11H15NO4
Mol. W.225.24 g/mol
Stock Status:Custom Synthesis

Carbidopa BP Impurity D

Carbidopa BP Impurity D

CAT. No.C720005
CAS. No.934371-48-9
Mol. F.C17H24N2O4
Mol. W.320.38 g/mol
Stock Status:Limited Stock

Carbidopa EP Impurity E

Carbidopa EP Impurity E

CAT. No.C720006
CAS. No.52514-63-3
Mol. F.C11H16N2O4
Mol. W.240.30 g/mol
Stock Status:Custom Synthesis

Carbidopa Impurity F

Carbidopa Impurity F

CAT. No.C720007
CAS. No.NA
Mol. F.NA
Mol. W.NA
Stock Status:Custom Synthesis

Carbidopa EP Impurity J

Carbidopa EP Impurity J

CAT. No.C720008
CAS. No.43197-33-7
Mol. F.C10H13BrN2O4
Mol. W.305.13 g/mol
Stock Status:Instock

Carbidopa BP Impurity C

Carbidopa BP Impurity C

CAT. No.C720009
CAS. No.84488-77-7
Mol. F.C11H16N2O4
Mol. W.240.26 g/mol
Stock Status:Custom Synthesis

Carbidopa Methyl Ester

Carbidopa Methyl Ester

CAT. No.C720010
CAS. No.91431-01-5
Mol. F.C11H16N2O4
Mol. W.240.30 g/mol
Stock Status:Instock

Carbidopa Ethyl Ester Hydrochloride Salt

Carbidopa Ethyl Ester Hydrochloride Salt

CAT. No.C720011
CAS. No.NA
Mol. F.C13H18N2O4Cl
Mol. W.290.74 g/mol
Stock Status:Custom Synthesis

Carbidopa Ethyl Ester

Carbidopa Ethyl Ester

CAT. No.C720011A
CAS. No.91908-71-3
Mol. F.C12H18N2O4
Mol. W.254.28 g/mol
Stock Status:Instock

2-Bromo Carbidopa

2-Bromo Carbidopa

CAT. No.C720012
CAS. No.1246817-47-9
Mol. F.C10H13BrN2O4
Mol. W.305.13 g/mol
Stock Status:Custom Synthesis

3,4-Dihydroxy-alpha-methylbenzenepropanoic Acid

3,4-Dihydroxy-alpha-methylbenzenepropanoic Acid

CAT. No.C720013
CAS. No.53832-94-3
Mol. F.C10H12O4
Mol. W.196.20 g/mol
Stock Status:Instock

Cyclohexylidene Carbidopa Methyl Ester

Cyclohexylidene Carbidopa Methyl Ester

CAT. No.C720014
CAS. No.934371-48-9
Mol. F.C17H24N2O4
Mol. W.320.38 g/mol
Stock Status:Instock

4-O-Methylcarbidopa Impurity H

4-O-Methylcarbidopa Impurity H

CAT. No.C720015
CAS. No.1361017-74-4
Mol. F.C11H16N2O4
Mol. W.240.26 g/mol
Stock Status:Instock

Carbidopa EP Impurity I

Carbidopa EP Impurity I

CAT. No.C720016
CAS. No.NA
Mol. F.C10H13BrN2O4
Mol. W.305.13 g/mol
Stock Status:Custom Synthesis

(R)-Carbidopa

(R)-Carbidopa

CAT. No.C720019
CAS. No.28875-92-5
Mol. F.C10H14N2O4
Mol. W.226.1g/mol
Stock Status:Custom Synthesis

Carbidopa EP Impurity B

Carbidopa EP Impurity B

CAT. No.C720020
CAS. No.18181-08-3
Mol. F.C11H15NO4
Mol. W.225.24 g/mol
Stock Status:Instock

L-alpha-Methyl DOPA Methyl Ester Hydrochloride

L-alpha-Methyl DOPA Methyl Ester Hydrochloride

CAT. No.C720021
CAS. No.115054-62-1
Mol. F.C11H15NO4.HCl
Mol. W.261.70 g/mol
Stock Status:Custom Synthesis

3-Hydroxy-O-methyl-L-tyrosine

3-Hydroxy-O-methyl-L-tyrosine

CAT. No.C720022
CAS. No.35296-56-1
Mol. F.C10H13NO4
Mol. W.211.22 g/mol
Stock Status:Custom Synthesis

3,4-O,O-Dimethyl Carbidopa

3,4-O,O-Dimethyl Carbidopa

CAT. No.C720023
CAS. No.28860-96-0
Mol. F.C12H18N2O4
Mol. W.254.28 g/mol
Stock Status:Custom Synthesis

Carbidopa Hydantoic Acid

Carbidopa Hydantoic Acid

CAT. No.C720024
CAS. No.28861-00-9
Mol. F.C13H18N2O5
Mol. W.282.29 g/mol
Stock Status:Custom Synthesis

2-amino-3-hydroxy-3-(4-hydroxy-3-methoxyphenyl)propanoic acid

2-amino-3-hydroxy-3-(4-hydroxy-3-methoxyphenyl)propanoic acid

CAT. No.C720025
CAS. No.NA
Mol. F.C10H13NO5
Mol. W.227.21 g/mol
Stock Status:Custom Synthesis

CARBIDOPA EP IMPURITY B

CARBIDOPA EP IMPURITY B

CAT. No.C720026
CAS. No.18181-08-3(Freebase)
Mol. F.C11H15NO4HCl
Mol. W.261.70 g/mol
Stock Status:Instock

6,7-dihydroxy-3-methylcinnoline

6,7-dihydroxy-3-methylcinnoline

CAT. No.C720027
CAS. No.1176784-51-2
Mol. F.C9H8N2O2
Mol. W.176.17 g/mol
Stock Status:Custom Synthesis

Carbidopa Impurity 2

Carbidopa Impurity 2

CAT. No.C720028
CAS. No.55175-59-2
Mol. F.C10H14N2O3
Mol. W.210.23 g/mol
Stock Status:Custom Synthesis

N-nitroso Carbidopa

N-nitroso Carbidopa

CAT. No.C720029
CAS. No.NA
Mol. F.C10H13N3O5
Mol. W.255.23 g/mol
Stock Status:Instock

Carbidopa Hydrate

Carbidopa Hydrate

CAT. No.C720031
CAS. No.38821-49-7
Mol. F.C10H16N2O5
Mol. W.244.24 g/mol
Stock Status:Please Enquire

Carbidopa Impurity 4

Carbidopa Impurity 4

CAT. No.C720032
CAS. No.54716-90-4
Mol. F.C12H16N2O2
Mol. W.220.27 g/mol
Stock Status:Custom Synthesis

Carbidopa EP Impurity I (racemic)

Carbidopa EP Impurity I (racemic)

CAT. No.C720033
CAS. No.1246819-09-9
Mol. F.C10H13BrN2O4
Mol. W.305.13 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Carbidopa-D3

Carbidopa-D3

CAT. No.C720002
CAS. No.NA
Mol. F.C10H11N2O4D3
Mol. W.247.27 g/mol
Stock Status:Please Enquire

Carbidopa D3

Carbidopa D3

CAT. No.C720002A
CAS. No.NA
Mol. F.C10H11D3N2O4
Mol. W.229.25 g/mol
Stock Status:Please Enquire

13C;D3 Carbidopa Trifluoroacetic acid salt Racemic mixture

13C;D3 Carbidopa Trifluoroacetic acid salt Racemic mixture

CAT. No.C720030
CAS. No.NA
Mol. F.C1113CH12D3F3N2O6
Mol. W.344.26 g/mol
Stock Status:Please Enquire