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-Methylquinazoline

CAS: 700-79-8
Formula: C₉H₈N₂
MW: 144.17 g/mol

VQ-040240

2-Methylquinoxaline, 97%

CAS: 7251-61-8
Formula: C₉H₈N₂
MW: 144.17 g/mol

VQ-011929

2-Methylthiouracil

CAS: 5751-20-2
Formula: C₅H₆N₂OS
MW: 142.18 g/mol

VQ-040114

Synthesis

2-Morpholino ethanol, 99%

CAS: 622-40-2
Formula: C₆H₁₃NO₂
MW: 131.17 g/mol

VQ-012660

2-Nitroimidazole, 98%

CAS: 527-73-1
Formula: C₃H₃N₃O₂
MW: 113.08 g/mol

VQ-012155

2-Nitrothiophene, 85%

CAS: 609-40-5
Formula: C₄H₃NO₂S
MW: 129.14 g/mol

VQ-012302

2-Oxo-4-phenyl-1-pyrrolidineacetic Acid Ethyl Ester

CAS: 70291-40-6
Formula: C₁₄H₁₇NO₃
MW: 247.29 g/mol

VQ-040016

2-Oxopyrrolidine-1-carbaldehyde

CAS: 40321-44-6
Formula: C₅H₇NO₂
MW: 113.11 g/mol

VQ-040335

Extra Pure

2-PAM chloride, extra pure >97%

CAS: 51-15-0
Formula: C₇H₉ClN₂O
MW: 172.61 g/mol

VQ-020123

2-Phenyl imidazole 98%

CAS: 670-96-2
Formula: C₉H₈N₂
MW: 144.17 g/mol

VQ-012156

2-Phenyl-5-benzimidazolesulfonic acid, 98%

CAS: 27503-81-7
Formula: C₁₃H₁₀N₂O₃S
MW: 274.3 g/mol

VQ-012157

2-Phenylindole, 95%

CAS: 948-65-2
Formula: C₁₄H₁₁N
MW: 193.24 g/mol

VQ-012010

2-Phenylpiperazine

CAS: 5271-26-1
Formula: C₁₀H₁₄N₂
MW: 162.23 g/mol

VQ-040005

Reference Standard

2-Phenylthiophene

CAS: 825-55-8
Formula: C₁₀H₈S
MW: 160.24 g/mol

In stock

2-Picoline N-oxide, 96%+

CAS: 931-19-1
Formula: C₆H₇NO
MW: 109.13 g/mol

VQ-011749

2-Picoline, 98%

CAS: 109-06-8
Formula: C₆H₇N
MW: 93.13 g/mol

VQ-011750

Synthesis

2-Picolinic acid, 98%

CAS: 98-98-6
Formula: C₆H₅NO₂
MW: 123.11 g/mol

VQ-011751

2-Picolylamine, 99%

CAS: 3731-51-9
Formula: C₆H₈N₂
MW: 108.14 g/mol

VQ-011752

2-Piperazinone, 97%

CAS: 5625-67-2
Formula: C₄H₈N₂O
MW: 100.12 g/mol

VQ-012479

2-Pyridinemethanol, 98%

CAS: 586-98-1
Formula: C₆H₇NO
MW: 109.13 g/mol

VQ-011753

2-Pyridinesulfonic acid

CAS: 15103-48-7
Formula: C₅H₅NO₃S
MW: 159.17 g/mol

VQ-040460

2-Pyridinesulfonyl Chloride

CAS: 66715-65-9
Formula: C₅H₄ClNO₂S
MW: 177.61 g/mol

VQ-040269

2-Pyridylacetic acid hydrochloride, 99%

CAS: 16179-97-8
Formula: C₇H₈ClNO₂
MW: 173.6 g/mol

VQ-011754

2-Pyridylacetone

CAS: 6302-02-9
Formula: C₈H₉NO
MW: 135.16 g/mol

VQ-038889

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Heterocyclic Building Blocks

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