How many heterocyclic building blocks do you supply?

We currently list 1062 heterocyclic building blocks, such as TMEM, HBTU, DMTMM. We can also source or custom-synthesise items that are not listed.

Do heterocyclic building blocks come with a COA and SDS?

Yes. Each lot is supplied with a batch Certificate of Analysis and a 16-section GHS Safety Data Sheet. Typical COAs can be shared before you order.

Can you export heterocyclic building blocks to my country?

Yes. We ship worldwide by sea freight, air cargo and express courier, with export documentation, and pack hazardous materials to IATA/IMDG dangerous-goods rules.

Pharma Intermediates & Building Blocks

Heterocyclic Building Blocks

Source 1062 heterocyclic building blocks for research, QC and production, documented with COA and SDS.

1,587products

11sub-categories

83in stock

COA + SDSwith every lot

Pyridine Derivatives 344 Pyrimidines, Pyrazines & Pyridazines 162 Indole Derivatives 75 Quinolines & Isoquinolines 86 Imidazoles & Benzimidazoles 143 Triazoles, Tetrazoles & Triazines 79 Thiophenes, Thiazoles & Thiadiazoles 164 Furans, Pyrans & Coumarins 80 Piperidines, Piperazines & Morpholines 199 Pyrroles, Pyrrolidines & Pyrazoles 170 Other Heterocyclic Building Blocks 85

7-Methoxy-6-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-one, 97%

CAS: 199327-61-2
Formula: C₁₆H₂₁N₃O₄
MW: 319.36 g/mol

VQ-011968

Reference Standard

7-Methyluric Acid

CAS: 612-37-3
Formula: C₆H₆N₄O₃
MW: 182.14 g/mol

In stock

7,8-Dihydro-5H-cyclohepta[b]pyridine-5,9(6H)-dione

CAS: 39713-40-1
Formula: C₁₀H₉NO₂
MW: 175.18 g/mol

VQ-040346

8-(5-Hexylfuran-2-yl)octanoic acid

CAS: 4179-44-6
Formula: C₁₈H₃₀O₃
MW: 294.4 g/mol

VQ-039984

8-Aminoquinoline, 98%

CAS: 578-66-5
Formula: C₉H₈N₂
MW: 144.17 g/mol

VQ-012090

8-Azaguanine, 95%

CAS: 134-58-7
Formula: C₄H₄N₆O
MW: 152.11 g/mol

VQ-012251

8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione, 98%

CAS: 666816-98-4
Formula: C₁₀H₉BrN₄O₂
MW: 297.11 g/mol

VQ-012175

8-Cbz-2,4-dioxo-1,3,8-triazaspiro[4.5]decane

CAS: 28121-73-5
Formula: C₁₅H₁₇N₃O₄
MW: 303.31 g/mol

VQ-040934

8-Dechloro-10-chloro Loratadine

CAS: 1346605-16-0
Formula: C₂₂H₂₃ClN₂O₂
MW: 382.9 g/mol

VQ-038126

8-Dechloro-10-chloro-N-methyl Desloratadine

CAS: 38092-90-9
Formula: C₂₀H₂₁ClN₂
MW: 324.8 g/mol

VQ-036632

8-Dechloro-7-chloro-N-methyl Desloratadine

CAS: 1346600-30-3
Formula: C₂₀H₂₁ClN₂
MW: 324.8 g/mol

VQ-036630

8-Hydroxyquinoline N-oxide, 98%

CAS: 1127-45-3
Formula: C₉H₇NO₂
MW: 161.16 g/mol

VQ-012091

8-Hydroxyquinoline sulphate

CAS: 134-31-6
Formula: C₁₈H₁₆N₂O₆S
MW: 388.4 g/mol

VQ-020509

Synthesis

8-Hydroxyquinoline-5-sulfonic acid, monohydrate, 98%

CAS: 283158-18-9
Formula: C₉H₉NO₅S
MW: 243.24 g/mol

VQ-012092

8-Methyl-8-azabicyclo[3.2.1]octan-3-yl 2-oxo-2-phenylacetate Hydrochloride

CAS: 64790-46-1
Formula: C₁₆H₂₀ClNO₃
MW: 309.79 g/mol

VQ-037586

9-(2-Carboxy-2-cyanovinyl)julolidine, suitable for fluorescence, ≥97.0% (HPLC)

CAS: 142978-18-5
Formula: C₁₆H₁₆N₂O₂
MW: 268.31 g/mol

VQ-012496

9-Methylguanine

CAS: 5502-78-3
Formula: C₆H₇N₅O
MW: 165.15 g/mol

VQ-040543

9-Phenylcarbazole, 97%

CAS: 1150-62-5
Formula: C₁₈H₁₃N
MW: 243.3 g/mol

VQ-012046

9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97%

CAS: 35948-25-5
Formula: C₁₂H₈O₂P⁺
MW: 215.16 g/mol

VQ-012397

Acesulfame potassium, 99%

CAS: 55589-62-3
Formula: C₄H₄KNO₄S
MW: 201.24 g/mol

VQ-012339

Acetaldehyde ammonia trimer trihydrate

CAS: 58052-80-5
Formula: C₆H₂₁N₃O₃
MW: 183.25 g/mol

VQ-019561

Acyclovir, 98%

CAS: 59277-89-3
Formula: C₈H₁₁N₅O₃
MW: 225.2 g/mol

VQ-012176

Adenosine 3ʹ,5ʹ-cyclic monophosphate, ≥98% (HPLC), powder

CAS: 16980-89-5
Formula: C₁₈H₂₃N₅NaO₈P
MW: 491.4 g/mol

VQ-012177

Adenosine 5`-Diphosphate

CAS: 58-64-0
Formula: C₁₀H₁₅N₅O₁₀P₂
MW: 427.2 g/mol

VQ-035614

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Heterocyclic Building Blocks

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