Tryptophan

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Pharmaceutical Reference Standards

Tryptophan

CAT. No.	CP-T90000
CAS. No.	73-22-3
Mol. F.	C11H12N2O2
Mol. Wt.	204.23
Stock Status:	In Stock

Tryptophan EP Impurity A

CAT. No.	CP-T90001
CAS. No.	132685-02-0
Mol. F.	C24H26N4O4
Mol. Wt.	434.5
Stock Status:	Custom Synthesis

Tryptophan EP Impurity B

CAT. No.	CP-T90002
CAS. No.	184955-21-3
Mol. F.	C11H12N2O4
Mol. Wt.	236.23
Stock Status:	Custom Synthesis

Tryptophan EP Impurity C

CAT. No.	CP-T90003
CAS. No.	2922-83-0
Mol. F.	C10H12N2O3
Mol. Wt.	208.22
Stock Status:	Custom Synthesis

Rel. Cas No: 117269-81-5 (dihydrobromide salt)

Tryptophan EP Impurity D

CAT. No.	CP-T90004
CAS. No.	9/8/4350
Mol. F.	C11H12N2O3
Mol. Wt.	220.23
Stock Status:	Custom Synthesis

Tryptophan EP Impurity E

CAT. No.	CP-T90005
CAS. No.	11/8/3978
Mol. F.	C11H12N2O4
Mol. Wt.	236.23
Stock Status:	Custom Synthesis

Tryptophan EP Impurity F

CAT. No.	CP-T90006
CAS. No.	145545-23-9
Mol. F.	C9H12N2O2
Mol. Wt.	180.21
Stock Status:	Custom Synthesis

Rel. Cas No: 2639388-96-6 (dihydrochloride salt)

Tryptophan EP Impurity G

CAT. No.	CP-T90007
CAS. No.	21704-80-3
Mol. F.	C11H12N2O3
Mol. Wt.	220.23
Stock Status:	Custom Synthesis

Rel. Cas No: 881025-90-7 (Hydrochloride salt)

Tryptophan EP Impurity H

CAT. No.	CP-T90008
CAS. No.	6052-68-2
Mol. F.	C12H12N2O2
Mol. Wt.	216.24
Stock Status:	Custom Synthesis

Tryptophan EP Impurity I

CAT. No.	CP-T90009
CAS. No.	5470-37-1
Mol. F.	C13H14N2O2
Mol. Wt.	230.27
Stock Status:	Custom Synthesis

Rel. Cas No: 200561-30-4 (hydrate)

Tryptophan EP Impurity J

CAT. No.	CP-T90010
CAS. No.	164068-19-3
Mol. F.	C22H23N3O4
Mol. Wt.	393.44
Stock Status:	Custom Synthesis

Tryptophan EP Impurity K

CAT. No.	CP-T90011
CAS. No.	149724-31-2
Mol. F.	C20H19N3O2
Mol. Wt.	333.39
Stock Status:	Custom Synthesis

Tryptophan EP Impurity L

CAT. No.	CP-T90012
CAS. No.	287170-99-4
Mol. F.	C21H19N3O2
Mol. Wt.	345.40
Stock Status:	Custom Synthesis

N-Nitroso Tryptophan

CAT. No.	CP-T90013
CAS. No.	68807-89-6
Mol. F.	C11H11N3O3
Mol. Wt.	233.23
Stock Status:	Please Enquire

N-Nitroso D-Tryptophan

CAT. No.	CP-T90014
CAS. No.	NA
Mol. F.	C11H11N3O3
Mol. Wt.	233.23
Stock Status:	Please Enquire

N-Acetyl-DL-Tryptophan

CAT. No.	CP-T90016
CAS. No.	87-32-1
Mol. F.	C13H14N2O3
Mol. Wt.	246.27
Stock Status:	Custom Synthesis

Indole-3-carboxaldehyde

CAT. No.	CP-T90017
CAS. No.	487-89-8
Mol. F.	C9H7NO
Mol. Wt.	145.16
Stock Status:	Custom Synthesis

N-Nitroso N-Acetyl tryptophan

CAT. No.	CP-T90018
CAS. No.	53602-74-7
Mol. F.	C13H13N3O4
Mol. Wt.	275.26
Stock Status:	Custom Synthesis

D-tryptophyl-D-tryptophan

CAT. No.	CP-T90019
CAS. No.	58607-72-0
Mol. F.	C22H22N4O3
Mol. Wt.	390.44
Stock Status:	Custom Synthesis

Tryptophan USP Related Compound B

CAT. No.	CP-T90020
CAS. No.	1218-34-4
Mol. F.	C13H14N2O3
Mol. Wt.	246.27
Stock Status:	Custom Synthesis

Fmoc-alpha methyl Tryptophan

CAT. No.	CP-T90021
CAS. No.	112913-63-0
Mol. F.	C27H24N2O4
Mol. Wt.	440.50
Stock Status:	Custom Synthesis

D-Tryptophan

CAT. No.	CP-T90022
CAS. No.	153-94-6
Mol. F.	C11H12N2O2
Mol. Wt.	204.23
Stock Status:	Custom Synthesis

Tryptophan Cyclized Impurity

CAT. No.	CP-T90024
CAS. No.	40856-80-2
Mol. F.	C12H11N3O2
Mol. Wt.	229.24
Stock Status:	Custom Synthesis

N-Carbamyltryptophan

CAT. No.	CP-T90025
CAS. No.	54896-75-2
Mol. F.	C12H13N3O3
Mol. Wt.	247.25
Stock Status:	Custom Synthesis

L-Tryptophanamide, N-(1-oxo-6-phenylhexyl)glycyl

CAT. No.	CP-T90026
CAS. No.	678996-63-9
Mol. F.	C25H30N4O3
Mol. Wt.	434.54
Stock Status:	Custom Synthesis

Carbobenzoxy-D,L-tryptophanamide

CAT. No.	CP-T90027
CAS. No.	27018-75-3
Mol. F.	C19H19N3O3
Mol. Wt.	337.38
Stock Status:	Custom Synthesis

Indole-3-butyric acid

CAT. No.	CP-T90028
CAS. No.	133-32-4
Mol. F.	C12H13NO2
Mol. Wt.	203.24
Stock Status:	Custom Synthesis

N-Nitroso Tryptophan EP Impurity I

CAT. No.	CP-T90029
CAS. No.	23708-74-9
Mol. F.	C13H13N3O3
Mol. Wt.	259.27
Stock Status:	Custom Synthesis

N-Nitroso Tryptophan EP Impurity L

CAT. No.	CP-T90030
CAS. No.	NA
Mol. F.	C21H18N4O3
Mol. Wt.	374.4
Stock Status:	Custom Synthesis

a b c d e f g h i j k l m n o p q r s t u v w x y z

Tryptophan

Pharmaceutical Reference Standards

Tryptophan

Tryptophan EP Impurity A

Tryptophan EP Impurity B

Tryptophan EP Impurity C

Tryptophan EP Impurity D

Tryptophan EP Impurity E

Tryptophan EP Impurity F

Tryptophan EP Impurity G

Tryptophan EP Impurity H

Tryptophan EP Impurity I

Tryptophan EP Impurity J

Tryptophan EP Impurity K

Tryptophan EP Impurity L

N-Nitroso Tryptophan

N-Nitroso D-Tryptophan

N-Acetyl-DL-Tryptophan

Indole-3-carboxaldehyde

N-Nitroso N-Acetyl tryptophan

D-tryptophyl-D-tryptophan

Tryptophan USP Related Compound B

Fmoc-alpha methyl Tryptophan

D-Tryptophan

Tryptophan Cyclized Impurity

N-Carbamyltryptophan

L-Tryptophanamide, N-(1-oxo-6-phenylhexyl)glycyl

Carbobenzoxy-D,L-tryptophanamide

Indole-3-butyric acid

N-Nitroso Tryptophan EP Impurity I

N-Nitroso Tryptophan EP Impurity L

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