Recently Viewed 0
Meet Clearsynth at CPHI India 2026 · November 23–25 · Booth 2J10 · IICC, Yashobhoomi, New Delhi View event
My Account Need quick assistance? WhatsApp us +91-22-45045900 sales@clearsynth.com
Categories / Impurity

Impurity Products

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

Showing 5689-5712 of 27541 products
All In Stock Custom Synthesis
(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8-diol chemical structure
Custom Synthesis

(1R,4R)-2-methyl-1-phenyl-1,2,3,4-tetrahydroisoquinoline-4,8-diol

CAT No. CS-O-43307
CAS No. -
Category Impurity
Parent API Phenylephrine
Formula C16H17NO2
Mol. Wt. 255.31
(1R,4R)-4-(STEARAMIDOMETHYL)CYCLOHEXANECARBOXYLIC ACID chemical structure
Custom Synthesis

(1R,4R)-4-(STEARAMIDOMETHYL)CYCLOHEXANECARBOXYLIC ACID

CAT No. CS-O-41181
CAS No. -
Category Impurity
Parent API -
Formula C26H49NO3
Mol. Wt. 423.37
(1r,4r)-4-methylcyclohexanecarbonyl azide chemical structure
Custom Synthesis

(1r,4r)-4-methylcyclohexanecarbonyl azide

CAT No. CS-O-64585
CAS No. -
Category Impurity
Parent API Glimepiride
Formula C8H13N3O
Mol. Wt. 167.21
(1R,4R)-rel4-Deschloro Sertraline chemical structure
Custom Synthesis

(1R,4R)-rel4-Deschloro Sertraline

CAT No. CS-O-42905
CAS No. 2378750-29-7
Category Impurity
Parent API Sertraline
Formula C17H18ClN
Mol. Wt. 271.78
(1R,4R)-Sertraline 4-Chlorophenyl Impurity Hydrochloride chemical structure
Custom Synthesis

(1R,4R)-Sertraline 4-Chlorophenyl Impurity Hydrochloride

CAT No. CS-P-00242
CAS No. 79617-90-6
Category Impurity
Parent API Sertraline
Formula C17H18ClN : HCl
Mol. Wt. 271.8 : 36.5
(1R,4S)-Sertraline Hydrochloride chemical structure
Custom Synthesis

(1R,4S)-Sertraline Hydrochloride

CAT No. CS-T-61287
CAS No. 79896-32-5
Category Impurity
Parent API Sertraline
Formula -
Mol. Wt.
(1R,5R,6R)-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester chemical structure
Custom Synthesis

(1R,5R,6R)-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester

CAT No. CS-T-54574
CAS No. 1266663-89-1
Category Impurity
Parent API Oseltamivir
Formula C14H22O4
Mol. Wt. 254.3
(1R,5S)-bicyclo[3.1.0]hexan-2-one chemical structure
Custom Synthesis

(1R,5S)-bicyclo[3.1.0]hexan-2-one

CAT No. CS-O-52390
CAS No. 58001-78-8
Category Impurity
Parent API -
Formula C6H8O
Mol. Wt. 96.13
(1R,5S)-tert-Butyl Edoxaban chemical structure
Custom Synthesis

(1R,5S)-tert-Butyl Edoxaban

CAT No. CS-O-59237
CAS No. 480451-98-7
Category Impurity
Parent API Edoxaban
Formula C21H30ClN5O5
Mol. Wt. 467.95
(1R,5S,6R)-Ethyl 5-(Pentan-3-yloxy)-7- oxabicyclo[4.1.0]hept-3-ene-3- carboxylate chemical structure
Custom Synthesis

(1R,5S,6R)-Ethyl 5-(Pentan-3-yloxy)-7- oxabicyclo[4.1.0]hept-3-ene-3- carboxylate

CAT No. CS-O-37422
CAS No. 2413185-89-2
Category Impurity
Parent API Oseltamivir
Formula C14H22O4
Mol. Wt. 254.3
(1R,5S,6R)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester chemical structure
Custom Synthesis

(1R,5S,6R)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Ethyl Ester

CAT No. CS-T-54573
CAS No. 347378-74-9
Category Impurity
Parent API
Formula -
Mol. Wt.
(1R,5S,Z)-4-(2,2,2-trifluoro-1-hydroxyethylidene)spiro[bicyclo[3.1.0]hexane-2,2'-[1,3]dithiolan]-3-one compound with diisopropylamine (1:1) chemical structure
Custom Synthesis

(1R,5S,Z)-4-(2,2,2-trifluoro-1-hydroxyethylidene)spiro[bicyclo[3.1.0]hexane-2,2'-[1,3]dithiolan]-3-one compound with diisopropylamine (1:1)

CAT No. CS-O-61540
CAS No. 2939750-77-1
Category Impurity
Parent API Lenacapavir
Formula C16H24F3NO2S2
Mol. Wt. 383.49
(1R,6R)-rel-6-(2,3-Dichlorophenyl)-2-methyl-4-oxo-2-cyclohexene-1-carboxylic Acid Methyl Ester chemical structure
Custom Synthesis

(1R,6R)-rel-6-(2,3-Dichlorophenyl)-2-methyl-4-oxo-2-cyclohexene-1-carboxylic Acid Methyl Ester

CAT No. CS-T-90627
CAS No. 1207068-16-3
Category Impurity
Parent API
Formula -
Mol. Wt.
(1R,6S)-2,8-Diazabicyclo[4.3.0]nonane chemical structure
Custom Synthesis

(1R,6S)-2,8-Diazabicyclo[4.3.0]nonane

CAT No. CS-T-89045
CAS No. 169533-56-6
Category Impurity
Parent API
Formula -
Mol. Wt.
(1R-cis)-Decamethrinic Acid chemical structure
Custom Synthesis

(1R-cis)-Decamethrinic Acid

CAT No. CS-T-14573
CAS No. 53179-78-5
Category Impurity
Parent API -
Formula C8H10Br2O2
Mol. Wt. 297.97
(1RS 2R) Eliglustat Nonanoyl Impurity chemical structure
Custom Synthesis

(1RS 2R) Eliglustat Nonanoyl Impurity

CAT No. CS-O-59235
CAS No.
Category Impurity
Parent API Eliglustat
Formula C24H38N2O4
Mol. Wt. 418.58
(1S)-(-)-α-Pinene chemical structure
Custom Synthesis

(1S)-(-)-α-Pinene

CAT No. CS-T-40000
CAS No. 7785-26-4
Category Impurity
Parent API
Formula -
Mol. Wt.
(1S)-(+)-10-Camphorsulfonyl Chloride chemical structure
Custom Synthesis

(1S)-(+)-10-Camphorsulfonyl Chloride

CAT No. CS-T-10102
CAS No. 21286-54-4
Category Impurity
Parent API -
Formula C10H15ClO3S
Mol. Wt. 250.74
(1S)-[1,1'-Binaphthalene]-2,2'-diol chemical structure
Custom Synthesis

(1S)-[1,1'-Binaphthalene]-2,2'-diol

CAT No. CS-T-49109
CAS No. 18531-99-2
Category Impurity
Parent API
Formula -
Mol. Wt.
(1S)-1-(3,4-dichlorophenyl)-4-(methylamino)-1,2,3,4-tetrahydronaphthalen-1-ol chemical structure
Custom Synthesis

(1S)-1-(3,4-dichlorophenyl)-4-(methylamino)-1,2,3,4-tetrahydronaphthalen-1-ol

CAT No. CS-O-54558
CAS No.
Category Impurity
Parent API Sertraline
Formula C17H17Cl2NO
Mol. Wt. 322.23
(1S)-1,23-dihydroxy-24,25,26,27-tetranorcalciol chemical structure
Custom Synthesis

(1S)-1,23-dihydroxy-24,25,26,27-tetranorcalciol

CAT No. CS-O-46741
CAS No. 97903-37-2
Category Impurity
Parent API Vitamin D3
Formula C23H36O3
Mol. Wt. 360.54
(1S,​5R,​6S) Mirogabalin isomer chemical structure
Custom Synthesis

(1S,​5R,​6S) Mirogabalin isomer

CAT No. CS-O-42776
CAS No. 2165847-73-2
Category Impurity
Parent API Mirogabalin
Formula C12H19NO2
Mol. Wt. 209.3
(1S,2R) Eliglustat Hemi tartarate chemical structure
Custom Synthesis

(1S,2R) Eliglustat Hemi tartarate

CAT No. CS-O-35080
CAS No.
Category Impurity
Parent API Eliglustat
Formula C50H78N4O14
Mol. Wt. 959.19
(1S,2R)-(+)-Norephedrine chemical structure
Custom Synthesis

(1S,2R)-(+)-Norephedrine

CAT No. CS-ED-01068
CAS No. 37577-28-9
Category Impurity
Parent API Norephedrine
Formula C9H13NO
Mol. Wt. 151.21

Impurity Products at Clearsynth

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

Browse available compounds above or contact our team for custom synthesis and bulk requirements.

Done
RFQ Basket 0
Quick Enquiry
Tell us what you need
Quote Basket
Selected RFQ Items
Your RFQ basket is empty. Add a product block or copy a guided requirement here.