4-Metilpropiofenona con una pureza del 99% (CAS 5337-93-9)

Clorhidrato de procaína CAS 51-05-8 Es la sal hidrocloruro de procaína soluble en agua. Es la formulación específica utilizada en medicina clínica, conocida por su nombre comercial:NovocaínaSi bien su uso en la práctica general ha disminuido, sigue siendo un fármaco históricamente fundamental y aún se emplea en contextos médicos y terapéuticos específicos. 

Bromuro de 3′-metoxifenacilo CAS 5000-65-7 es un α-bromocetona especializada y fotosensible valorado principalmente como un reactivo de grupo protector fotoremovible para ácidos carboxílicos y como un agente alquilanteSu sustitución meta-metoxi puede alterar ligeramente sus propiedades fotolíticas y electrónicas en comparación con el bromuro de fenacilo original. Su manipulación requiere precauciones estrictas debido a su naturaleza lacrimógena y su sensibilidad a la luz y la humedad. Para los investigadores en biología química, síntesis orgánica y fotoquímica, constituye una herramienta clásica y eficaz para la desprotección y la conjugación molecular controladas por luz. 

4-(terc-butil)-2,6-diformilfenol CAS 84501-28-0 Es un componente bifuncional de alta calidad en química orgánica y de coordinación. Su valor reside no solo en su reactividad, sino también en su estructura diseñada específicamente para ofrecer un rendimiento superior en aplicaciones avanzadas. 

4-Bromo-3-hydroxybenzoic acid CAS 14348-38-0 is a premium, multifunctional aromatic building block engineered for complexity-driven synthesis. Its core value lies in the strategic placement of three distinct, orthogonally reactive functional groups on a benzene ring, making it an indispensable tool for convergent molecular construction in advanced research and development.  

Ethyl β-Oxo-1,3-benzodioxole-5-butanoate CAS 31127-23-8 is a β-ketoester derivative​ featuring a 1,3-benzodioxole (methylenedioxyphenyl) aromatic system. Structurally, it consists of a benzodioxole ring attached through a three-carbon chain to an ethyl β-ketoester functional group (-CO-CH₂-COOEt). This makes it a versatile bifunctional building block​ for organic synthesis, combining the electronic properties of the benzodioxole group with the high reactivity of a β-ketoester.

4-Nitrophenyl 3-(Benzo[d][1,3]dioxol-5-yl)-2-methylpropanoate is a chirally defined, pre-activated acylating agent​ that combines a metabolically stable benzo[1,3]dioxole (piperonyl) pharmacophore with the exceptional reactivity of a 4-nitrophenyl ester. It enables the efficient, racemization-free introduction of a complex, chiral acid moiety under mild conditions, making it invaluable for advanced synthetic and bioconjugation chemistry. 4-Nitrophenyl 3-(Benzo[d][1,3]dioxol-5-yl)-2-methylpropanoate is a specialty ester​ designed as a reactive biochemical or synthetic intermediate. Its structure strategically combines three key units: (1)A 3-(benzo[1,3]dioxol-5-yl)-2-methylpropanoic acid​ (piperonyl-substituted, chiral acid) moiety. (2)A 4-nitrophenyl​ ester leaving group. This design makes it an activated ester, where the 4-nitrophenol is an excellent leaving group, facilitating efficient acyl transfer reactions under mild conditions.  

2'-Ethoxyacetophenone CAS 2142-67-8 is a specialized aromatic ketone characterized by an ethoxy substituent at the orthoposition relative to the acetyl group. This structural feature imparts distinct chemical and physical properties, making it a privileged building block for synthesizing complex molecules, particularly in the flavor/fragrance and pharmaceutical sectors.  

2-Amino-5-bromobenzoic acid CAS 5794-88-7 is a highly versatile aromatic building block that integrates three distinct functional groups—an amine, a carboxylic acid, and an aryl bromide—into a single, synthetically valuable scaffold. This multifunctionality makes it a crucial intermediate in pharmaceutical and advanced materials chemistry.