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

N-(4-Pyridyl)-3,4-dihydroxybutyramide

CAS: 1246818-25-6
Formula: C₉H₁₂N₂O₃
MW: 196.2 g/mol

VQ-036513

N-(5-Nitro-1,3-thiazol-2-yl)acetamide

CAS: 140-40-9
Formula: C₅H₅N₃O₃S
MW: 187.18 g/mol

VQ-038668

Reference Standard

N-(Pyridin-2-yl)pivalamide

CAS: 86847-59-8
Formula: C₁₀H₁₄N₂O
MW: 178.23 g/mol

In stock

Reference Standard

N-9-Acridinyl-2-bromoacetamide

CAS: 126857-76-9
Formula: C₁₅H₁₁BrN₂O
MW: 315.16 g/mol

In stock

n-Acetyl caprolactum, 98%

CAS: 1888-91-1
Formula: C₈H₁₃NO₂
MW: 155.19 g/mol

VQ-012691

N-Acetyl-L-proline

CAS: 68-95-1
Formula: C₇H₁₁NO₃
MW: 157.17 g/mol

VQ-040134

N-Acetylimidazole

CAS: 2466-76-4
Formula: C₅H₆N₂O
MW: 110.11 g/mol

VQ-041117

N-Benzylmaleimide, 99%

CAS: 1631-26-1
Formula: C₁₁H₉NO₂
MW: 187.19 g/mol

VQ-012613

N-Biotinylcaproylaminocaproic Acid

CAS: 89889-51-0
Formula: C₂₂H₃₈N₄O₅S
MW: 470.6 g/mol

VQ-049451

N-Boc-3-pyrrolidinone, 97%

CAS: 101385-93-7
Formula: C₉H₁₅NO₃
MW: 185.22 g/mol

VQ-012614

N-Boc-4-oxo-L-proline tert-butyl ester, 97%

CAS: 166410-05-5
Formula: C₁₄H₂₃NO₅
MW: 285.34 g/mol

VQ-012615

N-Boc-Trans-4-Fluoro-L-Proline

CAS: 203866-14-2
Formula: C₁₀H₁₆FNO₄
MW: 233.24 g/mol

VQ-020554

Reference Standard

N-Bromo succinimide

CAS: 128-08-5
Formula: C₄H₄BrNO₂
MW: 177.98 g/mol

VQ-012616

N-Carbethoxy-4-piperidone, 98%

CAS: 29976-53-2
Formula: C₈H₁₃NO₃
MW: 171.19 g/mol

VQ-012520

N-Carboxyalanine Anhydride

CAS: 2224-52-4
Formula: C₄H₅NO₃
MW: 115.09 g/mol

VQ-039241

Synthesis

n-Ethyl morpholine, 98%

CAS: 100-74-3
Formula: C₆H₁₃NO
MW: 115.17 g/mol

VQ-012692

N-Ethylcarbazole-3-carboxaldehyde, 98%

CAS: 7570-45-8
Formula: C₁₅H₁₃NO
MW: 223.27 g/mol

VQ-012055

n-Ethylmaleimide, ≥99% (HPLC)

CAS: 128-53-0
Formula: C₆H₇NO₂
MW: 125.13 g/mol

VQ-012618

Synthesis

n-Ethylmaleimide, 98%

CAS: 128-53-0
Formula: C₆H₇NO₂
MW: 125.13 g/mol

VQ-012617

N-Ethylsuccinimide

CAS: 2314-78-5
Formula: C₆H₉NO₂
MW: 127.14 g/mol

VQ-040336

n-Hydroxy napthalimide sodium salt

CAS: 7797-81-1
Formula: C₁₂H₇NO₃
MW: 213.19 g/mol

VQ-012521

n-Hydroxy-1,8-naphthalimide sodium salt, 99%

CAS: 6207-89-2
Formula: C₁₂H₆NNaO₃
MW: 235.17 g/mol

VQ-012522

N-Hydroxy-5-norbornene-2,3-dicarboxylic acid imide, 97%

CAS: 21715-90-2
Formula: C₉H₉NO₃
MW: 179.17 g/mol

VQ-012619

Reference Standard

N-Hydroxysuccinimide

CAS: 6066-82-6
Formula: C₄H₅NO₃
MW: 115.09 g/mol

In stock

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Heterocyclic Building Blocks

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