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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-Iodoimidazole, 98% chemical structure

4-Iodoimidazole, 98%

CAS: 71759-89-2
Formula: C₃H₃IN₂
MW: 193.97 g/mol

VQ-012161

4-Iodophenol, 98%+ chemical structure

4-Iodophenol, 98%+

CAS: 540-38-5
Formula: C₆H₅IO
MW: 220.01 g/mol

VQ-010174

AR

4-Iodophenol, AR 99% chemical structure

4-Iodophenol, AR 99%

CAS: 540-38-5
Formula: C₆H₅IO
MW: 220.01 g/mol

VQ-046154

4-Iodophenylboronic acid, ≥95% chemical structure

4-Iodophenylboronic acid, ≥95%

CAS: 5122-99-6
Formula: C₆H₆BIO₂
MW: 247.83 g/mol

VQ-011054

4-Iodotoluene, 99% chemical structure

4-Iodotoluene, 99%

CAS: 624-31-7
Formula: C₇H₇I
MW: 218.03 g/mol

VQ-010428

4-Isobutylbenzaldehyde chemical structure

4-Isobutylbenzaldehyde

CAS: 40150-98-9
Formula: C₁₁H₁₄O
MW: 162.23 g/mol

VQ-008034

4-Isobutylphenol chemical structure

4-Isobutylphenol

CAS: 4167-74-2
Formula: C₁₀H₁₄O
MW: 150.22 g/mol

VQ-048617

4-Isopropyl-3-methylphenol, 99% chemical structure

4-Isopropyl-3-methylphenol, 99%

CAS: 3228-02-2
Formula: C₁₀H₁₄O
MW: 150.22 g/mol

VQ-010175

Synthesis

4-Isopropylaniline, 99% chemical structure

4-Isopropylaniline, 99%

CAS: 99-88-7
Formula: C₉H₁₃N
MW: 135.21 g/mol

VQ-009349

4-Isopropylbenzoic acid, 98% chemical structure

4-Isopropylbenzoic acid, 98%

CAS: 536-66-3
Formula: C₁₀H₁₂O₂
MW: 164.2 g/mol

VQ-008353

4-Isopropylcatechol, 95% chemical structure

4-Isopropylcatechol, 95%

CAS: 2138-43-4
Formula: C₉H₁₂O₂
MW: 152.19 g/mol

VQ-010176

4-Isopropylpyridazine-3,6-diol, 98% chemical structure

4-Isopropylpyridazine-3,6-diol, 98%

CAS: 1903632-97-2
Formula: C₇H₁₀N₂O₂
MW: 154.17 g/mol

VQ-011953

Reference Standard

4-Isothiocyanato-2-(trifluoromethyl)benzonitrile chemical structure

4-Isothiocyanato-2-(trifluoromethyl)benzonitrile

CAS: 143782-23-4
Formula: C₉H₃F₃N₂S
MW: 228.2 g/mol

In stock

4-Mercaptophenylacetic acid, 97% chemical structure

4-Mercaptophenylacetic acid, 97%

CAS: 39161-84-7
Formula: C₈H₈O₂S
MW: 168.21 g/mol

VQ-010796

4-Mercaptopyridine, 95% chemical structure

4-Mercaptopyridine, 95%

CAS: 4556-23-4
Formula: C₅H₅NS
MW: 111.17 g/mol

VQ-011814

Synthesis

4-Methoxy acetophenone, 99% chemical structure

4-Methoxy acetophenone, 99%

CAS: 100-06-1
Formula: C₉H₁₀O₂
MW: 150.17 g/mol

VQ-008035

Synthesis

4-Methoxy benzylamine, 98% chemical structure

4-Methoxy benzylamine, 98%

CAS: 2393-23-9
Formula: C₈H₁₁NO
MW: 137.18 g/mol

VQ-009350

Synthesis

4-Methoxy phenol, 99% chemical structure

4-Methoxy phenol, 99%

CAS: 150-76-5
Formula: C₇H₈O₂
MW: 124.14 g/mol

VQ-010177

4-Methoxy phenyl acetone, 97% chemical structure

4-Methoxy phenyl acetone, 97%

CAS: 122-84-9
Formula: C₁₀H₁₂O₂
MW: 164.2 g/mol

VQ-008036

4-Methoxy-2-hydroxy benzophenone, 98% chemical structure

4-Methoxy-2-hydroxy benzophenone, 98%

CAS: 131-57-7
Formula: C₁₄H₁₂O₃
MW: 228.24 g/mol

VQ-008037

4-Methoxy-3-(3-(4-methylpiperazin-1-yl)propoxy)aniline chemical structure

4-Methoxy-3-(3-(4-methylpiperazin-1-yl)propoxy)aniline

CAS: 846023-55-0
Formula: C₁₅H₂₅N₃O₂
MW: 279.38 g/mol

VQ-040998

Reference Standard

4-Methoxy-3-methyl-2-pyridinemethanol chemical structure

4-Methoxy-3-methyl-2-pyridinemethanol

CAS: 86604-77-5
Formula: C₈H₁₁NO₂
MW: 153.18 g/mol

In stock

Reference Standard

4-Methoxy-3,5-dimethyl-2-(chloromethyl)pyridine chemical structure

4-Methoxy-3,5-dimethyl-2-(chloromethyl)pyridine

CAS: 84006-10-0
Formula: C₉H₁₂ClNO
MW: 185.65 g/mol

VQ-013114

4-Methoxy-3,5-dimethylpyridine-2-carboxylic acid chemical structure

4-Methoxy-3,5-dimethylpyridine-2-carboxylic acid

CAS: 138569-60-5
Formula: C₉H₁₁NO₃
MW: 181.19 g/mol

VQ-040357

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