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Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

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Naproxen Impurity 5 chemical structure
Custom Synthesis

Naproxen Impurity 5

CAT No. CS-O-56929
CAS No. 358369-77-4
Category Impurity
Parent API Naproxen
Formula C20H26O8
Mol. Wt. 394.4
Naproxen Related compound G chemical structure
Custom Synthesis

Naproxen Related compound G

CAT No. CS-O-66563
CAS No. 23979-41-1
Category Impurity
Parent API Naproxen
Formula C14H14O3
Mol. Wt. 230.26 g/mol
Naratriptan 2-Carboxylic Acid chemical structure
Custom Synthesis

Naratriptan 2-Carboxylic Acid

CAT No. CS-T-104143
CAS No. 874583-40-1
Category Impurity
Parent API Naratriptan
Formula C18H25N3O4S
Mol. Wt. 379.48
Naratriptan Ethyl Analog Hydrochloride chemical structure
Custom Synthesis

Naratriptan Ethyl Analog Hydrochloride

CAT No. CS-O-40384
CAS No. 1956385-76-4
Category Impurity
Parent API Naratriptan
Formula C14H19ClN2
Mol. Wt. 250.77
Naratriptan Impurity 4 chloride chemical structure
Custom Synthesis

Naratriptan Impurity 4 chloride

CAT No. CS-O-57571
CAS No.
Category Impurity
Parent API Naratriptan
Formula C18H28ClN3O2S
Mol. Wt. 385.95
Naratriptan Impurity 4 Iodide chemical structure
Custom Synthesis

Naratriptan Impurity 4 Iodide

CAT No. CS-O-53578
CAS No.
Category Impurity
Parent API Naratriptan
Formula C18H28IN3O2S
Mol. Wt. 477.41
Naratriptan Impurity B chemical structure
Custom Synthesis

Naratriptan Impurity B

CAT No. CS-T-18864
CAS No. 121679-20-7
Category Impurity
Parent API Naratriptan
Formula C17H23N3O2S
Mol. Wt. 333.5
Naratriptan Impurity F chemical structure
Custom Synthesis

Naratriptan Impurity F

CAT No. CS-P-01821
CAS No. 2144776-33-8
Category Impurity
Parent API Naratriptan
Formula C20H27N4O4S2 : Cl
Mol. Wt. 451.6 : 35.5
Naratriptan Impurity F Iodide chemical structure
Custom Synthesis

Naratriptan Impurity F Iodide

CAT No. CS-EO-03717
CAS No. 2144776-32-7 (Freebase)
Category Impurity
Parent API Naratriptan
Formula C20H27N4O4S2 : I
Mol. Wt. 451.6 : 126.9
Naratriptan Pyridinium Iodide chemical structure
Custom Synthesis

Naratriptan Pyridinium Iodide

CAT No. CS-P-01819
CAS No.
Category Impurity
Parent API Naratriptan
Formula C17H20IN3O2S
Mol. Wt. 457.33
Narcotoline chemical structure
Custom Synthesis

Narcotoline

CAT No. CS-O-15129
CAS No. 521-40-4
Category Impurity
Parent API
Formula -
Mol. Wt.
Naringenin 5-methyl ether chemical structure
Custom Synthesis

Naringenin 5-methyl ether

CAT No. CS-O-57625
CAS No. 61823-56-1
Category Impurity
Parent API Naringenin
Formula C16H14O5
Mol. Wt. 286.28
Nateglinide EP Impurity B chemical structure
Custom Synthesis

Nateglinide EP Impurity B

CAT No. CS-T-59162
CAS No. 105816-05-5
Category Impurity
Parent API Nateglinide
Formula C19H27NO3
Mol. Wt. 317.42
Nateglinide EP Impurity C chemical structure
Custom Synthesis

Nateglinide EP Impurity C

CAT No. CS-T-58202
CAS No. 105816-06-6
Category Impurity
Parent API Nateglinide
Formula C19H27NO3
Mol. Wt. 317.4
N-Benzoyloxycarbonyl-4-piperidine sulfonyl chloride chemical structure
Custom Synthesis

N-Benzoyloxycarbonyl-4-piperidine sulfonyl chloride

CAT No. CS-DL-00887
CAS No. 287953-54-2
Category Impurity
Parent API
Formula -
Mol. Wt.
N-Benzyl Epinephrine (TFA salt) chemical structure
Custom Synthesis

N-Benzyl Epinephrine (TFA salt)

CAT No. CS-EO-03529
CAS No. 1095714-91-2 (Freebase)
Category Impurity
Parent API Epinephrine
Formula C16H19NO3 : C2HF3O2
Mol. Wt. 273.3 : 114.0
N-Benzyl Formoterol chemical structure
Custom Synthesis

N-Benzyl Formoterol

CAT No. CS-T-95960
CAS No. 1337876-26-2
Category Impurity
Parent API FORMOTEROL
Formula C26H30N2O4
Mol. Wt. 434.53
N-Benzyl Hydroxy Medetomidine chemical structure
Custom Synthesis

N-Benzyl Hydroxy Medetomidine

CAT No. CS-O-11230
CAS No. -
Category Impurity
Parent API Detomidine
Formula -
Mol. Wt.
N-Benzyl Hydroxy Medetomidine chemical structure
Custom Synthesis

N-Benzyl Hydroxy Medetomidine

CAT No. CS-T-93909
CAS No. 2250243-44-6
Category Impurity
Parent API Dexmedetomidine Hydrochloride
Formula C20H22N2O
Mol. Wt. 306.40
N-Benzyl Salbutamol Hydrochloride chemical structure
Custom Synthesis

N-Benzyl Salbutamol Hydrochloride

CAT No. CS-T-06290
CAS No. 24085-08-3
Category Impurity
Parent API Salbutamol
Formula 0
Mol. Wt. 0
N-Benzyl Vinyl Analog Medetomidine chemical structure
Custom Synthesis

N-Benzyl Vinyl Analog Medetomidine

CAT No. CS-O-33604
CAS No. 2250243-56-0
Category Impurity
Parent API Medetomidine Hydrochloride
Formula C20H20N2
Mol. Wt. 288.4
N-Benzyl Vinyl Medetomidine chemical structure
Custom Synthesis

N-Benzyl Vinyl Medetomidine

CAT No. CS-O-11231
CAS No. -
Category Impurity
Parent API Detomidine
Formula -
Mol. Wt.
N-Benzyl-(S)-proline chemical structure
Custom Synthesis

N-Benzyl-(S)-proline

CAT No. CS-T-06251
CAS No. 31795-93-4
Category Impurity
Parent API
Formula -
Mol. Wt.
N-benzyl-2-(4-phenylmethoxyphenyl)ethanamine hydrochloride chemical structure
Custom Synthesis

N-benzyl-2-(4-phenylmethoxyphenyl)ethanamine hydrochloride

CAT No. CS-O-31664
CAS No. 32293-43-9
Category Impurity
Parent API
Formula -
Mol. Wt.

Impurity Products at Clearsynth

Browse available Impurity products from Clearsynth. These compounds support analytical research, quality control and pharmaceutical development.

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