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

2-Amino-5-nitropyridine, 98%

CAS: 4214-76-0
Formula: C₅H₅N₃O₂
MW: 139.11 g/mol

VQ-011712

2-Amino-5-nitrothiazole, 97%

CAS: 121-66-4
Formula: C₃H₃N₃O₂S
MW: 145.14 g/mol

VQ-012285

Reference Standard

2-Amino-5-thiazolecarboxylic acid

CAS: 40283-46-3
Formula: C₄H₄N₂O₂S
MW: 144.15 g/mol

In stock

2-Amino-6-(trifluoromethyl)pyridine, 97%

CAS: 34486-24-3
Formula: C₆H₅F₃N₂
MW: 162.11 g/mol

VQ-011713

2-Amino-6-bromopyridine, 98%

CAS: 19798-81-3
Formula: C₅H₅BrN₂
MW: 173.01 g/mol

VQ-011714

2-Amino-6-chloropurine, 97%

CAS: 10310-21-1
Formula: C₅H₄ClN₅
MW: 169.57 g/mol

VQ-012144

2-Amino-6-methoxybenzothiazole, 98%

CAS: 1747-60-0
Formula: C₈H₈N₂OS
MW: 180.23 g/mol

VQ-012287

Synthesis

2-Amino-6-methylpyridine, for synthesis 98%

CAS: 1824-81-3
Formula: C₆H₈N₂
MW: 108.14 g/mol

VQ-019514

2-Amino-benzothiazole, AR >99%

CAS: 136-95-8
Formula: C₇H₆N₂S
MW: 150.2 g/mol

VQ-045814

2-Amino-ethyl Nicotinate Hydrochloride Salt

CAS: 87330-70-9
Formula: C₈H₁₂Cl₂N₂O₂
MW: 239.1 g/mol

VQ-049222

Synthesis

2-Aminobenzothiazole, 97%

CAS: 136-95-8
Formula: C₇H₆N₂S
MW: 150.2 g/mol

VQ-012288

2-Aminopyrazine, 99%

CAS: 5049-61-6
Formula: C₄H₅N₃
MW: 95.1 g/mol

VQ-011919

2-Aminopyrimidine-5-carboxylic acid, 97%

CAS: 3167-50-8
Formula: C₅H₅N₃O₂
MW: 139.11 g/mol

VQ-011921

2-Aminopyrimidine, 97%

CAS: 109-12-6
Formula: C₄H₅N₃
MW: 95.1 g/mol

VQ-011920

Reference Standard

2-Aminothiazole

CAS: 96-50-4
Formula: C₃H₄N₂S
MW: 100.14 g/mol

In stock

2-Aminothiazole-5-carboxaldehyde, 95%

CAS: 1003-61-8
Formula: C₄H₄N₂OS
MW: 128.15 g/mol

VQ-012291

Synthesis

2-Aminothiazole, 97%

CAS: 96-50-4
Formula: C₃H₄N₂S
MW: 100.14 g/mol

VQ-012290

2-Azabicyclo[2.2.1]hept-5-en-3-one, 98%

CAS: 49805-30-3
Formula: C₆H₇NO
MW: 109.13 g/mol

VQ-012562

2-Benzofurancarboxaldehyde, 97%

CAS: 4265-16-1
Formula: C₉H₆O₂
MW: 146.14 g/mol

VQ-012383

Puriss

2-Benzoxazolinone, 98%

CAS: 59-49-4
Formula: C₇H₅NO₂
MW: 135.12 g/mol

VQ-012657

Extra Pure

2-Benzoylpyridine, extra pure 99%

CAS: 91-02-1
Formula: C₁₂H₉NO
MW: 183.21 g/mol

VQ-019878

2-Benzyl-2-(dimethylamino)-4′-morpholinobutyrophenone, 97%

CAS: 119313-12-1
Formula: C₂₃H₃₀N₂O₂
MW: 366.5 g/mol

VQ-012658

Extra Pure

2-Benzylpyridine, extra pure >98%

CAS: 101-82-6
Formula: C₁₂H₁₁N
MW: 169.22 g/mol

VQ-019908

2-Bromo-1H-imidazole, 97%

CAS: 16681-56-4
Formula: C₃H₃BrN₂
MW: 146.97 g/mol

VQ-012145

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Heterocyclic Building Blocks

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