4-Oxo-4H-1-benzopyran-2-carboxylic acid

4-苯并吡喃酮-2-羧酸

CAS No: 4940-39-0

4940-39-0

Order 4940-39-0

Order 89797-68-2 5-Ethylthio-1H-Tetrazole(ETT)

Order 7780-06-5 Isopropyl Cinnamate

Order 109-03-5 1,4-Oxathiane 4-oxide

Order 6148-75-0 Sodium Mesitylenesulfonate

Order 2998-56-3 N,N-Bis(2-chloroethyl)carbamoyl Chloride（BCE-Cl）

Order 206752-32-1 Azomethin-H-Monosodium Salt Hydrate

Benzopyran

Order 522-12-3 3-[(6-Deoxy-alpha-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-Benzopyran-4-one

Order 61424-81-5 2-AMINO-5-OXO-5H-(1) BenzopyranO-(2,3-B)-PYRIDINE-3-CARBONITRILE

Order 67867-48-5 3-ACETYL-2,7-DIMETHYL-5 H-[1]BenzopyranO[2,3-B]PYRIDIN-5-ONE

Order 68301-82-6 2-Amino-6-isopropyl-4-oxo-4H-Benzopyran-3-carboxaldehyde

Order 110683-22-2 8-Amino-4-oxo-2-(tetrazol-5-yl)-4H-1-Benzopyran

Order 68301-99-5 Ethyl2-amino-7-isopropyl-5-oxo-5H-[1]-Benzopyrano-[2,3-b]pyridine-3-carboxylate

Order 42327-52-6 4H-1-Benzopyran-4-ONE, 2,3-DIHYDRO-7-METHOXY-

Order 130465-39-3 CIS-(+/-)-1-(AMINOMETHYL)-3,4-DIHYDRO-3-PHENYL-1H-2-Benzopyran-5,6-DIOL HYDROCHLORIDE

Order 93904-60-0 (4aalpha,7beta,8aalpha)-3,4,4a,7,8,8a-hexahydro-3,3,6,7-tetramethyl-1H-2-Benzopyran

Order 126616-61-3 4A,8A-EPOXY-2H-1-Benzopyran

Order 4072-67-7 2-bromo-1-[4-[4-(2-bromoacetyl)phenyl]phenyl]ethanone

Order 112-55-0 1-Dodecanethiol

Order 78-70-6 Linalol

Order 531-59-9 7-Methoxycoumarin

Order 2373-31-1 6-HYDROXY-4-METHYLCOUMARIN

Order 73204-07-6 4-(4-OXOCYCLOHEXYL)BENZONITRILE

Order 30334-69-1 1,1,2,2,3,3,4,4,4-Nonafluorobutane-1-sulfonamide

Order 312-84-5 D-Serine

4940-39-0 benzopyran,carboxylic,pyran,4940-39-0

2025-08-04 Discover 4-Oxo-4H-1-benzopyran-2-carboxylic acid (CAS No: 4940-39-0) and related compounds. Ideal for advanced chemical applications. Competitive pricing, fast delivery, and expert support worldwide.