Baclofen Related Compounds & Impurities

Baclofen is a GABA-B receptor agonist that reduces excitatory spinal-cord neurotransmission, used as a skeletal muscle relaxant for spasticity in multiple sclerosis and spinal cord injury.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Baclofen reference standards, pharmacopeial and non-pharmacopeial Baclofen impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Baclofen-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Baclofen Impurity 2
Baclofen Impurity 2
  • CAT. No.B310012
  • CAS. No.294194-13-1
  • Mol. F.C19H23ClO6
  • Mol. W.382.84 g/mol
  • Stock Status:Custom Synthesis
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Baclofen
Baclofen
  • CAT. No.B320000
  • CAS. No.1134-47-0
  • Mol. F.C10H12ClNO2
  • Mol. W.213.66 g/mol
  • Stock Status:Instock
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Baclofen EP Impurity B
Baclofen EP Impurity B
  • CAT. No.B320001
  • CAS. No.1141-23-7
  • Mol. F.C11H12ClNO3
  • Mol. W.241.67 g/mol
  • Stock Status:Instock
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Baclofen EP Impurity D
Baclofen EP Impurity D
  • CAT. No.B320002
  • CAS. No.35271-74-0
  • Mol. F.C11H11ClO4
  • Mol. W.242.66 g/mol
  • Stock Status:Instock
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Baclofen EP Impurity A
Baclofen EP Impurity A
  • CAT. No.B320003
  • CAS. No.22518-27-0
  • Mol. F.C10H10ClNO
  • Mol. W.195.65 g/mol
  • Stock Status:Instock
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Baclofen Impurity 1
Baclofen Impurity 1
  • CAT. No.B320004
  • CAS. No.53911-68-5
  • Mol. F.C11H9ClO3
  • Mol. W.224.64 g/mol
  • Stock Status:Instock
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Baclofen EP Impurity E
Baclofen EP Impurity E
  • CAT. No.B320005
  • CAS. No.84803-46-3
  • Mol. F.C11H10ClNO2
  • Mol. W.223.66 g/mol
  • Stock Status:Instock
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Baclofen EP Impurity C
Baclofen EP Impurity C
  • CAT. No.B320006
  • CAS. No.2726264-10-2
  • Mol. F.C21H22Cl2N2O5
  • Mol. W.453.32 g/mol
  • Stock Status:Custom Synthesis
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Dibaclofen Urea
Dibaclofen Urea
  • CAT. No.B320008A
  • CAS. No.2726264-10-2
  • Mol. F.C21H22Cl2N2O5
  • Mol. W.453.32 g/mol
  • Stock Status:Limited Stock
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Baclofen Impurity 2
Baclofen Impurity 2
  • CAT. No.B320009
  • CAS. No.873-76-7
  • Mol. F.C7H7ClO
  • Mol. W.142.58 g/mol
  • Stock Status:Custom Synthesis
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(R)-Baclofen
(R)-Baclofen
  • CAT. No.B320010
  • CAS. No.69308-37-8
  • Mol. F.C10H12ClNO2
  • Mol. W.213.66 g/mol
  • Stock Status:Instock
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S-Baclofen Hydrochloride
S-Baclofen Hydrochloride
  • CAT. No.B320011
  • CAS. No.63701-56-4
  • Mol. F.C10H12ClNO2.HCl
  • Mol. W.250.12 g/mol
  • Stock Status:Custom Synthesis
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Chlorophenyl glutaric acid imide
Chlorophenyl glutaric acid imide
  • CAT. No.B320012
  • CAS. No.84803-46-3
  • Mol. F.C11H10ClNO2
  • Mol. W.223.66 g/mol
  • Stock Status:Instock
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Chlorophenyl glutaric acid
Chlorophenyl glutaric acid
  • CAT. No.B320012A
  • CAS. No.35271-74-0
  • Mol. F.C11H11ClO4
  • Mol. W.242.66 g/mol
  • Stock Status:Custom Synthesis
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Baclofen EP Impurity F
Baclofen EP Impurity F
  • CAT. No.B320013
  • CAS. No.4846-95-1
  • Mol. F.C10H11Cl2NO2
  • Mol. W.248.11 g/mol
  • Stock Status:Custom Synthesis
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Baclofenac Butyl Ester
Baclofenac Butyl Ester
  • CAT. No.B320014
  • CAS. No.NA
  • Mol. F.C14H20ClNO2
  • Mol. W.269.77 g/mol
  • Stock Status:Custom Synthesis
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Dibaclofen Urea
Dibaclofen Urea
  • CAT. No.B320016
  • CAS. No.2726264-10-2
  • Mol. F.C21H20Cl2N2O4
  • Mol. W.453.32 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 19
Baclofen Impurity 19
  • CAT. No.B320018
  • CAS. No.1267401-93-3
  • Mol. F.C10H8ClNO2
  • Mol. W.209.63 g/mol
  • Stock Status:Instock
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Baclofen EP Impurity H
Baclofen EP Impurity H
  • CAT. No.B320019
  • CAS. No.NA
  • Mol. F.C21H20Cl2N2O4
  • Mol. W.435.30 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 3 Sodium
Baclofen Impurity 3 Sodium
  • CAT. No.B320020
  • CAS. No.NA
  • Mol. F.C10H10ClO3.Na
  • Mol. W.236.63 g/mol
  • Stock Status:Instock
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Baclofen Impurity 2
Baclofen Impurity 2
  • CAT. No.B320021
  • CAS. No.294194-13-1
  • Mol. F.C19H23ClO6
  • Mol. W.382.80 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 5
Baclofen Impurity 5
  • CAT. No.B320022
  • CAS. No.1824304-88-2
  • Mol. F.C10H12ClNO3
  • Mol. W.229.66 g/mol
  • Stock Status:Custom Synthesis
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Baclofen EP Impurity G Hydrochloride
Baclofen EP Impurity G Hydrochloride
  • CAT. No.B320023
  • CAS. No.947583-11-1
  • Mol. F.C14H20ClNO2.HCl
  • Mol. W.306.23 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 4
Baclofen Impurity 4
  • CAT. No.B320024
  • CAS. No.2414257-07-9
  • Mol. F.C16H16ClNO7
  • Mol. W.369.75 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 11
Baclofen Impurity 11
  • CAT. No.B320025
  • CAS. No.137310-15-7
  • Mol. F.C13H15ClO4
  • Mol. W.270.71 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 9
Baclofen Impurity 9
  • CAT. No.B320026
  • CAS. No.69856-22-0
  • Mol. F.C10H12ClNO2
  • Mol. W.213.66 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 7
Baclofen Impurity 7
  • CAT. No.B320027
  • CAS. No.5045-65-8
  • Mol. F.C12H13ClO4
  • Mol. W.256.68 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 12
Baclofen Impurity 12
  • CAT. No.B320028
  • CAS. No.84803-73-6
  • Mol. F.C19H23ClO6
  • Mol. W.382.84 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 16
Baclofen Impurity 16
  • CAT. No.B320029
  • CAS. No.NA
  • Mol. F.C15H13ClO5
  • Mol. W.308.71 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 17
Baclofen Impurity 17
  • CAT. No.B320030
  • CAS. No.NA
  • Mol. F.C15H15ClN2O3
  • Mol. W.306.74 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 21
Baclofen Impurity 21
  • CAT. No.B320031
  • CAS. No.1500708-07-5
  • Mol. F.C10H10ClNO3
  • Mol. W.227.64 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 22
Baclofen Impurity 22
  • CAT. No.B320032
  • CAS. No.2505131-83-7
  • Mol. F.C11H10ClNO3
  • Mol. W.239.66 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 23
Baclofen Impurity 23
  • CAT. No.B320033
  • CAS. No.1053068-98-6
  • Mol. F.C19H21ClO5
  • Mol. W.364.82 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 13
Baclofen Impurity 13
  • CAT. No.B320036
  • CAS. No.28311-34-4
  • Mol. F.C10H12ClNO2
  • Mol. W.213.66 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 26
Baclofen Impurity 26
  • CAT. No.B320037
  • CAS. No.1195277-58-7
  • Mol. F.C11H13ClN2O2
  • Mol. W.240.69 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 14
Baclofen Impurity 14
  • CAT. No.B320038
  • CAS. No.213407-11-5
  • Mol. F.C11H14ClNO2.HCl
  • Mol. W.264.15 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 15
Baclofen Impurity 15
  • CAT. No.B320039
  • CAS. No.NA
  • Mol. F.C20H20Cl2N2O2
  • Mol. W.391.29 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 30
Baclofen Impurity 30
  • CAT. No.B320040
  • CAS. No.81187-88-4
  • Mol. F.C10H9ClO2
  • Mol. W.196.63 g/mol
  • Stock Status:Instock
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Baclofen Impurity 33
Baclofen Impurity 33
  • CAT. No.B320041
  • CAS. No.NA
  • Mol. F.C16H16ClNO4
  • Mol. W.321.76 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Furfuryl Impurity
Baclofen Furfuryl Impurity
  • CAT. No.B320042
  • CAS. No.NA
  • Mol. F.C15H14ClNO3
  • Mol. W.291.73 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 34
Baclofen Impurity 34
  • CAT. No.B320043
  • CAS. No.NA
  • Mol. F.C28H44ClNO2
  • Mol. W.462.11 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 6
Baclofen Impurity 6
  • CAT. No.B320044
  • CAS. No.19411-80-4
  • Mol. F.C13H13ClO3
  • Mol. W.252.69 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 8
Baclofen Impurity 8
  • CAT. No.B320045
  • CAS. No.NA
  • Mol. F.C26H26Cl2N2O5
  • Mol. W.517.40 g/mol
  • Stock Status:Custom Synthesis
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Baclofen Impurity 10
Baclofen Impurity 10
  • CAT. No.B320046
  • CAS. No.NA
  • Mol. F.C20H17Cl2NO3
  • Mol. W.390.26 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

BaclofenD4
BaclofenD4
  • CAT. No.B320007
  • CAS. No.1189938-30-4
  • Mol. F.C10H8D4ClNO2
  • Mol. W.217.69 g/mol
  • Stock Status:Limited Stock
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BaclofenD5
BaclofenD5
  • CAT. No.B320034
  • CAS. No.1134-47-0 (unlabeled)
  • Mol. F.C10H7D5ClNO2
  • Mol. W.218.69 g/mol
  • Stock Status:Custom Synthesis
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