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

Glycitin, ≥98% (HPLC)

CAS: 40246-10-4
Formula: C₂₂H₂₂O₁₀
MW: 446.4 g/mol

VQ-012417

Glycoluril, 98%+

CAS: 496-46-8
Formula: C₄H₆N₄O₂
MW: 142.12 g/mol

VQ-012195

Glycylprolylalanine

CAS: 837-83-2
Formula: C₁₀H₁₇N₃O₄
MW: 243.26 g/mol

VQ-041007

Synthesis

Glyoxaline, 99%

CAS: 5587-42-8
Formula: C₃H₃N₂Na
MW: 90.06 g/mol

VQ-012196

Gramicidin A, from Bacillus brevis, ≥90% (HPLC)

CAS: 11029-61-1
Formula: C₉₉H₁₄₀N₂₀O₁₇
MW: 1882.3 g/mol

VQ-012049

Gramine

CAS: 87-52-5
Formula: C₁₁H₁₄N₂
MW: 174.24 g/mol

VQ-040461

Biochemistry

Guanine hydrochloride, 99%

CAS: 635-39-2
Formula: C₅H₆ClN₅O
MW: 187.59 g/mol

VQ-012197

Biochemistry

Guanine sulphate, 99%+

CAS: 10333-92-3
Formula: C₁₀H₁₂N₁₀O₆S
MW: 400.33 g/mol

VQ-012198

Guanosine 5'-monophosphate disodium salt, 98%

CAS: 5550-12-9
Formula: C₁₀H₁₂N₅Na₂O₈P
MW: 407.18 g/mol

VQ-012199

Guanosine 5'-monophosphate disodium salt, EP

CAS: 5550-12-9
Formula: C₁₀H₁₂N₅Na₂O₈P
MW: 407.18 g/mol

VQ-047155

Reference Standard

HBTU

CAS: 94790-37-1
Formula: C₁₁H₁₆F₆N₅OP
MW: 379.24 g/mol

In stock

Hexahydro-2(1H)-azocinone, 98%

CAS: 673-66-5
Formula: C₇H₁₃NO
MW: 127.18 g/mol

VQ-012686

Extra Pure

Hexamethyleneimine, extra pure >99%

CAS: 111-49-9
Formula: C₆H₁₃N
MW: 99.17 g/mol

VQ-020019

Hexamethylenimineethylchloride HCl

CAS: 26487-67-2
Formula: C₈H₁₇Cl₂N
MW: 198.13 g/mol

VQ-019726

Puriss

Hexamine, ≥99.5%

CAS: 100-97-0
Formula: C₆H₁₂N₄
MW: 140.19 g/mol

VQ-012514

Extra Pure

Hexamine, 99%

CAS: 100-97-0
Formula: C₆H₁₂N₄
MW: 140.19 g/mol

VQ-012513

Biochemistry

Histamine hydrochloride, 99%

CAS: 56-92-8
Formula: C₅H₁₁Cl₂N₃
MW: 184.06 g/mol

VQ-012200

Histamine, ≥97%

CAS: 51-45-6
Formula: C₅H₉N₃
MW: 111.15 g/mol

VQ-012201

Homolycorine

CAS: 477-20-3
Formula: C₁₈H₂₁NO₄
MW: 315.4 g/mol

VQ-040236

Hydantoin, 99%

CAS: 461-72-3
Formula: C₃H₄N₂O₂
MW: 100.08 g/mol

VQ-012202

Synthesis

Hydroxypropyl methyl cellulose phthalate

CAS: 9050-31-1
Formula: C₁₄H₁₆N₄
MW: 240.3 g/mol

VQ-012099

Hyperoside, ≥97% (HPLC)

CAS: 482-36-0
Formula: C₂₁H₂₀O₁₂
MW: 464.4 g/mol

VQ-012418

Ibudilast, ≥99% (HPLC)

CAS: 50847-11-5
Formula: C₁₄H₁₈N₂O
MW: 230.31 g/mol

VQ-011866

Imidazolidinyl urea, 98%

CAS: 39236-46-9
Formula: C₁₁H₁₆N₈O₈
MW: 388.29 g/mol

VQ-012203

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Heterocyclic Building Blocks

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