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

Extra Pure

2-Mercapto-5-methoxybenzimidazole, extra pure >98%

CAS: 37052-78-1
Formula: C₈H₈N₂OS
MW: 180.23 g/mol

VQ-045931

2-Mercapto-5,6-Dimethylpyrimidin-4-ol

CAS: 28456-54-4
Formula: C₆H₈N₂OS
MW: 156.21 g/mol

VQ-040707

2-Mercaptobenzoxazole, 95%

CAS: 2382-96-9
Formula: C₇H₅NOS
MW: 151.19 g/mol

VQ-012659

2-Mercaptopyridine, 99%

CAS: 2637-34-5
Formula: C₅H₅NS
MW: 111.17 g/mol

VQ-011746

2-Methoxy-5-fluoro-4-aminopyrimidine

CAS: 1993-63-1
Formula: C₅H₆FN₃O
MW: 143.12 g/mol

VQ-037316

2-Methoxy-5-methyl-4-pyridinamine

CAS: 1260663-96-4
Formula: C₇H₁₀N₂O
MW: 138.17 g/mol

VQ-040367

Extra Pure

2-Methoxyfuran, extra pure >97%

CAS: 25414-22-6
Formula: C₅H₆O₂
MW: 98.1 g/mol

VQ-020132

2-Methoxypyridine, 98%

CAS: 1628-89-3
Formula: C₆H₇NO
MW: 109.13 g/mol

VQ-011747

2-Methoxyquinoline-4-carboxylic Acid

CAS: 10222-62-5
Formula: C₁₁H₉NO₃
MW: 203.19 g/mol

VQ-036325

Synthesis

2-Methyl 5-nitro imidazole, 99%

CAS: 88054-22-2
Formula: C₄H₅N₃O₂
MW: 127.1 g/mol

VQ-012151

Extra Pure

2-Methyl furan, extra pure >99%

CAS: 534-22-5
Formula: C₅H₆O
MW: 82.1 g/mol

VQ-020077

Synthesis

2-Methyl indole, 98%

CAS: 95-20-5
Formula: C₉H₉N
MW: 131.17 g/mol

VQ-012009

2-Methyl Thiophenothiazine

CAS: 7643-08-5
Formula: C₁₃H₁₁NS₂
MW: 245.4 g/mol

VQ-040475

Extra Pure

2-Methyl-1-imidazoline, extra pure >95%

CAS: 534-26-9
Formula: C₄H₈N₂
MW: 84.12 g/mol

VQ-020167

2-Methyl-1-pyrroline, 98%

CAS: 872-32-2
Formula: C₅H₉N
MW: 83.13 g/mol

VQ-012563

2-Methyl-5-nitro-1H-imidazole, 98%

CAS: 696-23-1
Formula: C₄H₅N₃O₂
MW: 127.1 g/mol

VQ-012152

2-Methyl-8-quinolinol, 98%

CAS: 826-81-3
Formula: C₁₀H₉NO
MW: 159.18 g/mol

VQ-012066

2-Methyl-pyrazine

CAS: 109-08-0
Formula: C₅H₆N₂
MW: 94.11 g/mol

VQ-039055

2-Methylbenzimidazole, 98%

CAS: 615-15-6
Formula: C₈H₈N₂
MW: 132.16 g/mol

VQ-012153

Synthesis

2-Methylimidazole, 99%

CAS: 693-98-1
Formula: C₄H₆N₂
MW: 82.1 g/mol

VQ-012154

2-Methylimidazole, AR

CAS: 693-98-1
Formula: C₄H₆N₂
MW: 82.1 g/mol

VQ-046650

Reference Standard

2-Methylpiperazine

CAS: 109-07-9
Formula: C₅H₁₂N₂
MW: 100.16 g/mol

In stock

2-Methylpiperidine, 98%

CAS: 109-05-7
Formula: C₆H₁₃N
MW: 99.17 g/mol

VQ-012478

2-Methylpyridine-3-carboxylic acid, 98%

CAS: 3222-56-8
Formula: C₇H₇NO₂
MW: 137.14 g/mol

VQ-011748

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Heterocyclic Building Blocks

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