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Pharma Intermediates & Building Blocks

Acid Halides & Anhydrides

Source 96 acid halides & anhydrides for research, QC and production, documented with COA and SDS.

159products

11in stock

COA + SDSwith every lot

Ethyl malonyl chloride, ≥95% chemical structure

Ethyl malonyl chloride, ≥95%

CAS: 36239-09-5
Formula: C₅H₇ClO₃
MW: 150.56 g/mol

VQ-009133

Ethyl oxalyl chloride, 98% chemical structure

Ethyl oxalyl chloride, 98%

CAS: 4755-77-5
Formula: C₄H₅ClO₃
MW: 136.53 g/mol

VQ-009134

Ethyl Succinyl Chloride chemical structure

Ethyl Succinyl Chloride

CAS: 14794-31-1
Formula: C₆H₉ClO₃
MW: 164.59 g/mol

VQ-019781

Extra Pure

Fumarylchloride, extra pure >95% chemical structure

Fumarylchloride, extra pure >95%

CAS: 627-63-4
Formula: C₄H₂Cl₂O₂
MW: 152.96 g/mol

VQ-019972

Extra Pure

Heptanoic anhydride, extra pure >98% chemical structure

Heptanoic anhydride, extra pure >98%

CAS: 626-27-7
Formula: C₁₄H₂₆O₃
MW: 242.35 g/mol

VQ-020016

Reference Standard

Heptanoyl Chloride chemical structure

Heptanoyl Chloride

CAS: 2528-61-2
Formula: C₇H₁₃ClO
MW: 148.63 g/mol

In stock

Heptanoyl chloride, 99% chemical structure

Heptanoyl chloride, 99%

CAS: 2528-61-2
Formula: C₇H₁₃ClO
MW: 148.63 g/mol

VQ-009136

Puriss

Hexafluoroglutaryl chloride, 97% chemical structure

Hexafluoroglutaryl chloride, 97%

CAS: 678-77-3
Formula: C₅Cl₂F₆O₂
MW: 276.95 g/mol

VQ-009137

Reference Standard

Hexanoyl Chloride chemical structure

Hexanoyl Chloride

CAS: 142-61-0
Formula: C₆H₁₁ClO
MW: 134.6 g/mol

In stock

Hexanoyl chloride, 98% chemical structure

Hexanoyl chloride, 98%

CAS: 142-61-0
Formula: C₆H₁₁ClO
MW: 134.6 g/mol

VQ-009139

Hexyl chloroformate, 97% chemical structure

Hexyl chloroformate, 97%

CAS: 6092-54-2
Formula: C₇H₁₃ClO₂
MW: 164.63 g/mol

VQ-009140

Homophthalic anhydride, 98% chemical structure

Homophthalic anhydride, 98%

CAS: 703-59-3
Formula: C₉H₆O₃
MW: 162.14 g/mol

VQ-009141

Synthesis

Isobutyl chloroformate, 98% chemical structure

Isobutyl chloroformate, 98%

CAS: 543-27-1
Formula: C₅H₉ClO₂
MW: 136.58 g/mol

VQ-009142

Synthesis

Isobutyric anhydride, 98% chemical structure

Isobutyric anhydride, 98%

CAS: 97-72-3
Formula: C₈H₁₄O₃
MW: 158.19 g/mol

VQ-009143

Reference Standard

Isobutyryl Chloride chemical structure

Isobutyryl Chloride

CAS: 79-30-1
Formula: C₄H₇ClO
MW: 106.55 g/mol

In stock

Synthesis

Isobutyryl chloride, 98% chemical structure

Isobutyryl chloride, 98%

CAS: 79-30-1
Formula: C₄H₇ClO
MW: 106.55 g/mol

VQ-009145

Isopropyl chloroformate chemical structure

Isopropyl chloroformate

CAS: 108-23-6
Formula: C₄H₇ClO₂
MW: 122.55 g/mol

VQ-038982

Extra Pure

Isopropyl chloroformate solution 1.0 M in toluene, extra pure chemical structure

Isopropyl chloroformate solution 1.0 M in toluene, extra pure

CAS: 108-23-6
Formula: C₄H₇ClO₂
MW: 122.55 g/mol

VQ-020055

Synthesis

Maleic anhydride, 99% chemical structure

Maleic anhydride, 99%

CAS: 108-31-6
Formula: C₄H₂O₃
MW: 98.06 g/mol

VQ-009146

AR

Maleic anhydride, GR 99%+ chemical structure

Maleic anhydride, GR 99%+

CAS: 108-31-6
Formula: C₄H₂O₃
MW: 98.06 g/mol

VQ-009147

Malonyl chloride, 97% chemical structure

Malonyl chloride, 97%

CAS: 1663-67-8
Formula: C₃H₂Cl₂O₂
MW: 140.95 g/mol

VQ-009148

Methacryloyl chloride, 90% chemical structure

Methacryloyl chloride, 90%

CAS: 920-46-7
Formula: C₄H₅ClO
MW: 104.53 g/mol

VQ-009149

Methoxyacetyl chloride, 97% chemical structure

Methoxyacetyl chloride, 97%

CAS: 38870-89-2
Formula: C₃H₅ClO₂
MW: 108.52 g/mol

VQ-009150

Puriss

Methyl chloro formate, 98%+ chemical structure

Methyl chloro formate, 98%+

CAS: 79-22-1
Formula: C₂H₃ClO₂
MW: 94.5 g/mol

VQ-009151

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