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 21721-21744 of 27541 products
All In Stock Custom Synthesis
N-Nitroso Infigratinib Impurity 1 chemical structure
Custom Synthesis

N-Nitroso Infigratinib Impurity 1

CAT No. CS-O-66474
CAS No. -
Category Impurity
Parent API Infigratinib
Formula C42H26Cl2N8O4
Mol. Wt. 561.42
N-Nitroso Infigratinib Impurity 2 chemical structure
Custom Synthesis

N-Nitroso Infigratinib Impurity 2

CAT No. CS-O-66477
CAS No. -
Category Impurity
Parent API Infigratinib
Formula C17H23N7O
Mol. Wt. 341.42
N-Nitroso Lisinopril Impurity 11 chemical structure
Custom Synthesis

N-Nitroso Lisinopril Impurity 11

CAT No. CS-O-66735
CAS No.
Category Impurity
Parent API Lisinopril
Formula C20H24F3N3O7
Mol. Wt. 475.42 g/mol
N-Nitroso Methotrexate EP Impurity B Disodium salt chemical structure
Custom Synthesis

N-Nitroso Methotrexate EP Impurity B Disodium salt

CAT No. CS-O-66853
CAS No.
Category Impurity
Parent API Methotrexate
Formula C19H17N9O6 · 2(Na)
Mol. Wt. 467.40 g/mol
N-Nitroso N-Desmethyl Dalbavancin b0 chemical structure
Custom Synthesis

N-Nitroso N-Desmethyl Dalbavancin b0

CAT No. CS-O-65242
CAS No.
Category Impurity
Parent API Dalbavancin
Formula C87H97Cl2N11O29
Mol. Wt. 1831.69g
N-Nitroso N-Desmethyl Dalbavancin b2 chemical structure
Custom Synthesis

N-Nitroso N-Desmethyl Dalbavancin b2

CAT No. CS-O-65243
CAS No.
Category Impurity
Parent API Dalbavancin
Formula C88H99Cl2N11O29
Mol. Wt. 1845.71g
N-Nitroso N-desmethyl Erythromycin Oxime Impurity chemical structure
Custom Synthesis

N-Nitroso N-desmethyl Erythromycin Oxime Impurity

CAT No. CS-O-66824
CAS No.
Category Impurity
Parent API Erythromycin
Formula C36H65N3O14
Mol. Wt. 763.91 g/mol
N-Nitroso N-Desmethyl Noscapine chemical structure
Custom Synthesis

N-Nitroso N-Desmethyl Noscapine

CAT No. CS-O-64745
CAS No. -
Category Impurity
Parent API Noscapine
Formula C21H20N2O8
Mol. Wt. 428.39
N-Nitroso N-Desmethyl Rifapentene chemical structure
Custom Synthesis

N-Nitroso N-Desmethyl Rifapentene

CAT No. CS-O-65468
CAS No.
Category Impurity
Parent API Rifapentine
Formula C9H17N3O
Mol. Wt. 183.25 g/mol
N-Nitroso N-Desmethyl Terbinafine chemical structure
Custom Synthesis

N-Nitroso N-Desmethyl Terbinafine

CAT No. CS-O-66502
CAS No. 3121215-20-8
Category Impurity
Parent API Terbinafine
Formula C20H22N2O
Mol. Wt. 306.4
N-Nitroso Omadacycline chemical structure
Custom Synthesis

N-Nitroso Omadacycline

CAT No. CS-O-49958
CAS No.
Category Impurity
Parent API Omadacycline
Formula C29H39N5O8
Mol. Wt. 585.65
N-Nitroso Ropinirole EP Impurity B chemical structure
Custom Synthesis

N-Nitroso Ropinirole EP Impurity B

CAT No. CS-O-66866
CAS No. -
Category Impurity
Parent API Ropinirole
Formula C16H23N3O2
Mol. Wt. 289.4
N-Nitroso Valacyclovir impurity D chemical structure
Custom Synthesis

N-Nitroso Valacyclovir impurity D

CAT No. CS-O-65835
CAS No.
Category Impurity
Parent API Valacyclovir
Formula C15H23N7O5
Mol. Wt. 381.39 g/mol
N-Nitroso Venlafaxine Impurity 21 chemical structure
Custom Synthesis

N-Nitroso Venlafaxine Impurity 21

CAT No. CS-O-66352
CAS No. -
Category Impurity
Parent API Venlafaxine
Formula 17H26N2O3
Mol. Wt. 306.41
N-Nitroso-Allopurinol Impurity 3 chemical structure
Custom Synthesis

N-Nitroso-Allopurinol Impurity 3

CAT No. CS-O-65248
CAS No.
Category Impurity
Parent API Allopurinol
Formula C7H8N4O4
Mol. Wt. 212.16g
N-Nitroso-glycopyrrolate Impurity 1 chemical structure
Custom Synthesis

N-Nitroso-glycopyrrolate Impurity 1

CAT No. CS-O-66852
CAS No.
Category Impurity
Parent API Glycopyrrolate
Formula C17H22N2O4
Mol. Wt. 318.37 g/mol
N-Nitroso-N-Desmethyl rac-Ecopipam chemical structure
Custom Synthesis

N-Nitroso-N-Desmethyl rac-Ecopipam

CAT No. CS-O-64898
CAS No. -
Category Impurity
Parent API Ecopipam
Formula C18H17ClN2O2
Mol. Wt. 328.79
N-Nitroso-prolinamide chemical structure
Custom Synthesis

N-Nitroso-prolinamide

CAT No. CS-O-65344
CAS No.
Category Impurity
Parent API Vildagliptin
Formula C5H9N3O2
Mol. Wt. 143.14 g/mo
N-Nitroso-prolinenitrile chemical structure
Custom Synthesis

N-Nitroso-prolinenitrile

CAT No. CS-O-65343
CAS No.
Category Impurity
Parent API Vildagliptin
Formula C5H7N3O
Mol. Wt. 125.13 g/mol
N-nitroso-rolitetracycline chemical structure
Custom Synthesis

N-nitroso-rolitetracycline

CAT No. CS-O-65498
CAS No. -
Category Impurity
Parent API Rolitetracycline
Formula C29H37N5O11
Mol. Wt. 631.63
N-Ntroso Migalastat Impurity 7 chemical structure
Custom Synthesis

N-Ntroso Migalastat Impurity 7

CAT No. CS-O-58427
CAS No.
Category Impurity
Parent API Migalastat
Formula C34H36N2O5
Mol. Wt. 552.66
Nodulisporic acid D chemical structure
Custom Synthesis

Nodulisporic acid D

CAT No. CS-O-57646
CAS No. 204205-60-7
Category Impurity
Parent API Nodulispate
Formula C38H49NO4
Mol. Wt. 583.80
Nomegestrol acetate impurity A chemical structure
Custom Synthesis

Nomegestrol acetate impurity A

CAT No. CS-BX-00593
CAS No. 32420-14-7
Category Impurity
Parent API Nomegestrol
Formula C23H32O4
Mol. Wt. 372.5
Nomegestrol Impurity 2 chemical structure
Custom Synthesis

Nomegestrol Impurity 2

CAT No. CS-O-46249
CAS No. 147508-40-5
Category Impurity
Parent API Nomegestrol
Formula C25H34O5
Mol. Wt. 414.5

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.