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Pharma Intermediates & Building Blocks

Advanced and key starting materials, heterocycles, chiral building blocks and reagents for API synthesis, from gram R&D to multi-tonne supply.

9,200products

4sub-categories

1,292in stock

COA + SDSwith every lot

Organic Building Blocks 5,617 Heterocyclic Building Blocks 1,587 Bulk Pharma Intermediates 22 API Process Intermediates & Related Compounds 1,974

4-Guanidinobenzoic acid hydrochloride, 99% chemical structure

4-Guanidinobenzoic acid hydrochloride, 99%

CAS: 42823-46-1
Formula: C₈H₁₀ClN₃O₂
MW: 215.64 g/mol

VQ-008343

4-Heptanone chemical structure

CAS: 123-19-3
Formula: C₇H₁₄O
MW: 114.19 g/mol

VQ-041088

Synthesis

4-Hexyl resorcinol, 99% chemical structure

4-Hexyl resorcinol, 99%

CAS: 136-77-6
Formula: C₁₂H₁₈O₂
MW: 194.27 g/mol

VQ-010172

Reference Standard

4-Hydrazino-benzenesulfonamide Hydrochloride chemical structure

4-Hydrazino-benzenesulfonamide Hydrochloride

CAS: 17852-52-7
Formula: C₆H₁₀ClN₃O₂S
MW: 223.68 g/mol

In stock

Reference Standard

4-Hydrazinylbenzenesulfonamide chemical structure

4-Hydrazinylbenzenesulfonamide

CAS: 4392-54-5
Formula: C₆H₉N₃O₂S
MW: 187.22 g/mol

VQ-013106

4-Hydroxy 3-methyl benzoic acid, 97% chemical structure

4-Hydroxy 3-methyl benzoic acid, 97%

CAS: 499-76-3
Formula: C₈H₈O₃
MW: 152.15 g/mol

VQ-008344

Synthesis

4-Hydroxy 4-methyl 2-pentanone, 99% chemical structure

4-Hydroxy 4-methyl 2-pentanone, 99%

CAS: 123-42-2
Formula: C₆H₁₂O₂
MW: 116.16 g/mol

VQ-008031

Reference Standard

4-Hydroxy APB-1(Apixaban) Stage-1

4-Hydroxy APB-1(Apixaban) Stage-1

Formula: C₁₂H₁₃ClN₂O₄
MW: 284.7 g/mol

In stock

Reference Standard

4-Hydroxy APB-1/4-Hydroxy Apixaban

4-Hydroxy APB-1/4-Hydroxy Apixaban

Formula: C₁₀H₁₁ClN₂O₃
MW: 242.66 g/mol

In stock

4-Hydroxy benzamide, 98% chemical structure

4-Hydroxy benzamide, 98%

CAS: 619-57-8
Formula: C₇H₇NO₂
MW: 137.14 g/mol

VQ-008988

Synthesis

4-Hydroxy benzyl alcohol, 98% chemical structure

4-Hydroxy benzyl alcohol, 98%

CAS: 623-05-2
Formula: C₇H₈O₂
MW: 124.14 g/mol

VQ-010015

Reference Standard

4-Hydroxy Carbazole chemical structure

4-Hydroxy Carbazole

CAS: 52602-39-8
Formula: C₁₂H₉NO
MW: 183.21 g/mol

In stock

Synthesis

4-Hydroxy indole, 99% chemical structure

4-Hydroxy indole, 99%

CAS: 2380-94-1
Formula: C₈H₇NO
MW: 133.15 g/mol

VQ-012024

Reference Standard

4-Hydroxy Omeprazole Sodium Salt chemical structure

4-Hydroxy Omeprazole Sodium Salt

CAS: 1803449-15-1
Formula: C₁₆H₁₆N₃Na₂O₃S⁺
MW: 376.4 g/mol

VQ-013110

4-Hydroxy Piperidine chemical structure

4-Hydroxy Piperidine

CAS: 5382-16-1
Formula: C₅H₁₁NO
MW: 101.15 g/mol

VQ-019655

4-Hydroxy-1-indanone, 97% chemical structure

4-Hydroxy-1-indanone, 97%

CAS: 40731-98-4
Formula: C₉H₈O₂
MW: 148.16 g/mol

VQ-008032

Reference Standard

4-Hydroxy-2-methylenebutanoic acid chemical structure

4-Hydroxy-2-methylenebutanoic acid

CAS: 24923-76-0
Formula: C₅H₈O₃
MW: 116.11 g/mol

In stock

4-Hydroxy-3-methoxy acetophenone, 98% chemical structure

4-Hydroxy-3-methoxy acetophenone, 98%

CAS: 498-02-2
Formula: C₉H₁₀O₃
MW: 166.17 g/mol

VQ-008033

4-Hydroxy-3-methoxybenzonitrile, 98% chemical structure

4-Hydroxy-3-methoxybenzonitrile, 98%

CAS: 4421-08-3
Formula: C₈H₇NO₂
MW: 149.15 g/mol

VQ-009672

4-Hydroxy-3-nitrobenzaldehyde, 97% chemical structure

4-Hydroxy-3-nitrobenzaldehyde, 97%

CAS: 3011-34-5
Formula: C₇H₅NO₄
MW: 167.12 g/mol

VQ-009807

4-Hydroxy-3-nitrobenzoicacid, 98% chemical structure

4-Hydroxy-3-nitrobenzoicacid, 98%

CAS: 616-82-0
Formula: C₇H₅NO₅
MW: 183.12 g/mol

VQ-019536

4-Hydroxy-3-nitrobenzotrifluoride chemical structure

4-Hydroxy-3-nitrobenzotrifluoride

CAS: 400-99-7
Formula: C₇H₄F₃NO₃
MW: 207.11 g/mol

VQ-040995

4-Hydroxy-3-nitropyridine, 98% chemical structure

4-Hydroxy-3-nitropyridine, 98%

CAS: 5435-54-1
Formula: C₅H₄N₂O₃
MW: 140.1 g/mol

VQ-011812

Reference Standard

4-Hydroxy-3-Nitroquinolin-2(1H)-One chemical structure

4-Hydroxy-3-Nitroquinolin-2(1H)-One

CAS: 15151-57-2
Formula: C₉H₆N₂O₄
MW: 206.15 g/mol

VQ-013111

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