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

Reference Standard

N4-Acetylcytosine

CAS: 14631-20-0
Formula: C₆H₇N₃O₂
MW: 153.14 g/mol

In stock

N4-Acetylcytosine, 99%

CAS: 14631-20-0
Formula: C₆H₇N₃O₂
MW: 153.14 g/mol

VQ-011988

N⁶-(2-Isopentenyl)adenine

CAS: 2365-40-4
Formula: C₁₀H₁₃N₅
MW: 203.24 g/mol

VQ-020493

N⁶-Benzoyladenine

CAS: 4005-49-6
Formula: C₁₂H₉N₅O
MW: 239.23 g/mol

VQ-019749

Nadifloxacin isomer 1

CAS: 87488-29-7
Formula: C₁₄H₁₃FN₂O₃
MW: 276.26 g/mol

VQ-032046

Extra Pure

NADP monosodium salt, extra pure

CAS: 1184-16-3
Formula: C₂₁H₂₇N₇NaO₁₇P₃
MW: 765.4 g/mol

VQ-019723

Neocuproine hemihydrate, 99%

CAS: 34302-69-7
Formula: C₂₈H₂₆N₄O
MW: 434.5 g/mol

VQ-012105

Neocuproine hydrochloride monohydrate, AR

CAS: 7296-20-0
Formula: C₁₄H₁₃ClN₂
MW: 244.72 g/mol

VQ-020635

Neocuproine hydrochloride, >99%

CAS: 7296-20-0
Formula: C₁₄H₁₃ClN₂
MW: 244.72 g/mol

VQ-019731

Synthesis

Neocuproine, 70%

CAS: 484-11-7
Formula: C₁₄H₁₂N₂
MW: 208.26 g/mol

VQ-012106

Neocuproine, 95%+

CAS: 484-11-7
Formula: C₁₄H₁₂N₂
MW: 208.26 g/mol

VQ-012107

Neocuproine, GR 99%+

CAS: 484-11-7
Formula: C₁₄H₁₂N₂
MW: 208.26 g/mol

VQ-012108

Neotetrazolium chloride, GR

CAS: 298-95-3
Formula: C₃₈H₂₈Cl₂N₈
MW: 667.6 g/mol

VQ-012262

Nicorandil, ≥98% (HPLC)

CAS: 65141-46-0
Formula: C₈H₉N₃O₄
MW: 211.17 g/mol

VQ-011878

Biochemistry

Nicotinamide, 99%+

CAS: 98-92-0
Formula: C₆H₆N₂O
MW: 122.12 g/mol

VQ-011879

Nicotine, ≥99.00%

CAS: 54-11-5
Formula: C₁₀H₁₄N₂
MW: 162.23 g/mol

VQ-020503

Synthesis

Nicotinic acid, 99%

CAS: 59-67-6
Formula: C₆H₅NO₂
MW: 123.11 g/mol

VQ-011880

Nimbin, 98%

CAS: 5945-86-8
Formula: C₃₀H₃₆O₉
MW: 540.6 g/mol

VQ-012425

Nisin

CAS: 1414-45-5
Formula: C₁₄₃H₂₃₀N₄₂O₃₇S₇
MW: 3354.1 g/mol

VQ-019820

Nitron, GR

CAS: 2218-94-2
Formula: C₂₀H₁₆N₄
MW: 312.4 g/mol

VQ-012263

NODA-GA-NHS ester

CAS: 1407166-70-4
Formula: C₁₉H₂₈N₄O₁₀
MW: 472.4 g/mol

VQ-012628

Norlevo Mepromazine Hydrochloride

CAS: 61733-92-4
Formula: C₁₈H₂₃ClN₂OS
MW: 350.9 g/mol

VQ-038017

Norpseudotropine

CAS: 501-33-7
Formula: C₇H₁₃NO
MW: 127.18 g/mol

VQ-042723

NOTA-NHS ester, 90%

CAS: 1338231-09-6
Formula: C₁₆H₂₄N₄O₈
MW: 400.38 g/mol

VQ-012629

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Heterocyclic Building Blocks

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