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 [email protected]
Categories / Building Blocks

Building Blocks Products

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

Showing 1585-1608 of 2828 products
All In Stock Custom Synthesis
4-Bromo-3-fluorobenzene-1-sulfonyl Fluoride chemical structure
Custom Synthesis

4-Bromo-3-fluorobenzene-1-sulfonyl Fluoride

CAT No. CS-TA-78146
CAS No. 935534-33-1
Category Building Blocks
Parent API
Formula -
Mol. Wt. 257.05
4-Bromo-3-hydroxy-2-pyridinecarboxaldehyde chemical structure
Custom Synthesis

4-Bromo-3-hydroxy-2-pyridinecarboxaldehyde

CAT No. CS-O-64870
CAS No. 1289049-23-5
Category Building Blocks
Parent API -
Formula C6H4BrNO2
Mol. Wt. 202.01
4-Bromo-3-oxo-butyric acid ethyl ester chemical structure
Custom Synthesis

4-Bromo-3-oxo-butyric acid ethyl ester

CAT No. CS-M-55290
CAS No. 13176-46-0
Category Building Blocks
Parent API -
Formula C6H9BrO3
Mol. Wt. 209.04
4-bromo-5,6,7,8-tetrahydronaphthalen-1-ol chemical structure
Custom Synthesis

4-bromo-5,6,7,8-tetrahydronaphthalen-1-ol

CAT No. CS-O-55412
CAS No. 54899-73-9
Category Building Blocks
Parent API -
Formula C10H11BrO
Mol. Wt. 227.1
4-bromo-5-butoxy-5-oxopentanoic acid chemical structure
Custom Synthesis

4-bromo-5-butoxy-5-oxopentanoic acid

CAT No. CS-O-62852
CAS No. -
Category Building Blocks
Parent API -
Formula C9H15BrO4
Mol. Wt. 267.12
4-Bromo-5-methoxy-1H-pyrazole chemical structure
Custom Synthesis

4-Bromo-5-methoxy-1H-pyrazole

CAT No. CS-TA-36231
CAS No. 1147011-26-4
Category Building Blocks
Parent API
Formula C4H5N2OBr
Mol. Wt. 177 g/mol
4-Bromo-6-chloropyridin-2-amine chemical structure
Custom Synthesis

4-Bromo-6-chloropyridin-2-amine

CAT No. CS-TA-64956
CAS No. 1206250-19-2
Category Building Blocks
Parent API
Formula C5H4N2ClBr
Mol. Wt. 207.46 g/mol
4-Bromoisoquinoline-1-carboxylic Acid chemical structure
Custom Synthesis

4-Bromoisoquinoline-1-carboxylic Acid

CAT No. CS-TA-64851
CAS No. 1179149-25-7
Category Building Blocks
Parent API
Formula C10H6NO2Br
Mol. Wt. 252.06 g/mol
4-Carboxy-2,1-benzisothiazol chemical structure
Custom Synthesis

4-Carboxy-2,1-benzisothiazol

CAT No. CS-TA-87392
CAS No. 56910-99-7
Category Building Blocks
Parent API
Formula C8H5NO2S
Mol. Wt. 179.19 g/mol
4-chloro-1-methyl-1H-imidazole chemical structure
Custom Synthesis

4-chloro-1-methyl-1H-imidazole

CAT No. CS-TA-92951
CAS No. 4897-21-6
Category Building Blocks
Parent API
Formula C4H5N2Cl
Mol. Wt. 116.54 g/mol
4-Chloro-2,6-Dimethyl-3,5-Dinitropyridine chemical structure
Custom Synthesis

4-Chloro-2,6-Dimethyl-3,5-Dinitropyridine

CAT No. CS-EO-03230
CAS No. 25370-51-8
Category Building Blocks
Parent API -
Formula C7H6ClN3O4
Mol. Wt. 231.6
4-Chloro-2,6-diphenylpyrimidine chemical structure
Custom Synthesis

4-Chloro-2,6-diphenylpyrimidine

CAT No. CS-T-93960
CAS No. 29509-91-9
Category Building Blocks
Parent API
Formula C16H11ClN2
Mol. Wt. 266.72
4-Chloro-2-fluoro-5-sulfamylbenzoic acid chemical structure
Custom Synthesis

4-Chloro-2-fluoro-5-sulfamylbenzoic acid

CAT No. CS-AC-08410
CAS No. 4793-22-0
Category Building Blocks
Parent API -
Formula C7H5ClFNO4S
Mol. Wt. 253.63
4-Chloro-2-methyl-2-butenyl phenyl sulfone chemical structure
Custom Synthesis

4-Chloro-2-methyl-2-butenyl phenyl sulfone

CAT No. CS-O-48073
CAS No. 5829-79-8
Category Building Blocks
Parent API .
Formula C11H13ClO2S
Mol. Wt. 244.74
4-chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole chemical structure
Custom Synthesis

4-chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole

CAT No. CS-O-43796
CAS No. 1311185-04-2
Category Building Blocks
Parent API -
Formula C14H17BClNO2
Mol. Wt. 277.55
4-Chloro-3-iodoaniline chemical structure
Custom Synthesis

4-Chloro-3-iodoaniline

CAT No. CS-EL-03860
CAS No. 573764-31-5
Category Building Blocks
Parent API -
Formula C6H5ClIN
Mol. Wt. 253.47
4-Chloro-4′-methylbutyrophenone chemical structure
Custom Synthesis

4-Chloro-4′-methylbutyrophenone

CAT No. CS-O-45772
CAS No. 38425-26-2
Category Building Blocks
Parent API
Formula C11H13ClO
Mol. Wt. 196.67
4-Chloro-4-methyl-1-pentene chemical structure
Custom Synthesis

4-Chloro-4-methyl-1-pentene

CAT No. CS-O-53757
CAS No. 53875-83-5
Category Building Blocks
Parent API
Formula C6H11Cl
Mol. Wt. 118.6
4-chloro-4-methyl-2-pentanone chemical structure
Custom Synthesis

4-chloro-4-methyl-2-pentanone

CAT No. CS-ED-01206
CAS No. 14575-13-4
Category Building Blocks
Parent API
Formula C6H11ClO
Mol. Wt. 134.6
4-Chloro-5-(1-methylethyl)pyrrolo[2,1-f][1,2,4]triazine chemical structure
Custom Synthesis

4-Chloro-5-(1-methylethyl)pyrrolo[2,1-f][1,2,4]triazine

CAT No. CS-N-05273
CAS No. 888720-52-3
Category Building Blocks
Parent API -
Formula C9H10ClN3
Mol. Wt. 195.65
4-chloro-5-hydroxy-pyridine-2-carboxylic acid chemical structure
Custom Synthesis

4-chloro-5-hydroxy-pyridine-2-carboxylic acid

CAT No. CS-O-36743
CAS No. 1060804-56-9
Category Building Blocks
Parent API
Formula C6H4ClNO3
Mol. Wt. 173.55
4-chloro-5-nitro-1,3-dihydropyrrolo[2,3-b]pyridin-2-one chemical structure
Custom Synthesis

4-chloro-5-nitro-1,3-dihydropyrrolo[2,3-b]pyridin-2-one

CAT No. CS-O-45040
CAS No. 2306263-86-3
Category Building Blocks
Parent API
Formula C7H4ClN3O3
Mol. Wt. 213.58
4-Chloro-p-terphenyl chemical structure
Custom Synthesis

4-Chloro-p-terphenyl

CAT No. CS-O-66443
CAS No. 1762-83-0
Category Building Blocks
Parent API
Formula C18H13Cl
Mol. Wt. 264.75 g/mol
4-chloroquinoline-2-carboxylic Acid chemical structure
Custom Synthesis

4-chloroquinoline-2-carboxylic Acid

CAT No. CS-TB-06234
CAS No. 15733-82-1
Category Building Blocks
Parent API
Formula C10H6NO2Cl
Mol. Wt. 207.61

Building Blocks Products at Clearsynth

Browse available Building Blocks 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.