PRESENCE - 621 Annonces

Tuesday 15 July 2025

Quantité : 1kg; 25kg;

Triethyl orthopropionate is used as a starting material in the synthesis of Triethyl orthoacrylate. Triethyl orthopropionate is also commonly used in Claisen rearrangement reactions that yield γ,δ-unsaturated esters. Used as intermediates in pharmaceutical chemical and organic synthesize...

Tuesday 15 July 2025

Quantité : 1kg; 25kg;

Trimethyl orthoformate is an effective solvent for thallium(III) nitrate-mediated oxidations. It undergoes acid catalyzed reaction with 6-(N-D-ribitylanilino) uracils to form 8-demethyl-8-hydroxy-5-deazariboflavins. Trimethyl Orthoformate is the most simple orthoester. Used in organic...

Tuesday 08 July 2025

Quantité : 1kg; 25kg;

(S)-1-phenyl-1,2,3,4-tetrahydroisoquinol ine can be used to prepare solifenacin. Solifenacin succinate, CAS No. 242478-38-2, chemical name 1-azabicyclo[2.2.2]octan-8-yl-(1S)-1-phe nyl-3,4-dihydro-1H-isoquinoline-2-carbox ylate succinate, is prepared by condensing (S)-1-phenyl-1,2,3,4...

Tuesday 08 July 2025

Sodium cyanoborohydride (NaBH3CN) is a selective reducing agent used for a variety of chemical reductions, including aldehyde, ketones, acetals, epoxides, oximes, enamines, reductive aminations of aldehydes and ketones, and reductive alkylations of amines and hydrazines. The utility...

Tuesday 08 July 2025

Tryptamine is a monoamine alkaloid that can be synthesized by decarboxylation of the amino acid tryptophan. Notably, tryptamine can be found in fungi, plants, Amphibia, animals, and microbes. Tryptamine has an indole ring structure and a fused double ring that is composed of a benzene...

Tuesday 08 July 2025

2,4,6-Trimethylbenzoyl chloride is an important organic reagent that can be used for the electrochemical reduction reaction to prepare 2,4,6-trimethylbenzaldehyde and tetramer (i.e. 1,2-bis(2,4,6-trimethylphenyl)ethylene-1 ,2-diol bis(2,4,6-trimethylbenzoate)). 2,4,6-Trimethylbenzoyl...

Saturday 05 July 2025

Triethyl orthopropionate is used as a starting material in the synthesis of Triethyl orthoacrylate. Triethyl orthopropionate is also commonly used in Claisen rearrangement reactions that yield γ,δ-unsaturated esters. Used as intermediates in pharmaceutical chemical and organic synthesize...

Wednesday 02 July 2025

Sodium cyanoborohydride (NaBH3CN) is a selective reducing agent used for a variety of chemical reductions, including aldehyde, ketones, acetals, epoxides, oximes, enamines, reductive aminations of aldehydes and ketones, and reductive alkylations of amines and hydrazines. The utility...

Wednesday 02 July 2025

Tryptamine is a monoamine alkaloid that can be synthesized by decarboxylation of the amino acid tryptophan. Notably, tryptamine can be found in fungi, plants, Amphibia, animals, and microbes. Tryptamine has an indole ring structure and a fused double ring that is composed of a benzene...

Tuesday 01 July 2025

Quantité : 1kg; 25kg;

2-Amino-N-(2,2,2-trifluoroethyl)acetamid e hydrochloride is a chemical compound notable for its distinctive structure and wide range of applications in both research and industry. This compound, commonly referred to by its chemical name, is a derivative of acetamide with a trifluoroethyl...

Tuesday 01 July 2025

Quantité : 1kg; 25kg;

1-(3,5-Dichloro-4-fluorophenyl)-2,2,2-tr ifluoro-ethanone is a chemical compound of interest due to its unique structure and potential applications in various fields of organic synthesis and materials science. This compound consists of a trifluoroethanone group attached to a phenyl...

Tuesday 01 July 2025

Quantité : 1kg; 25kg;

1,3-Benzodioxole-5-ethanamine, also known as 5-ethoxy-1,3-benzodioxole, is a chemical compound belonging to the class of substituted phenethylamines. It features a benzodioxole ring structure with an ethylamine group attached at the 5-position of the ring. This molecule is structurally...

Tuesday 01 July 2025

(S)-1-phenyl-1,2,3,4-tetrahydroisoquinol ine can be used to prepare solifenacin. Solifenacin succinate, CAS No. 242478-38-2, chemical name 1-azabicyclo[2.2.2]octan-8-yl-(1S)-1-phe nyl-3,4-dihydro-1H-isoquinoline-2-carbox ylate succinate, is prepared by condensing (S)-1-phenyl-1,2,3,4...

Saturday 28 June 2025

N,N-Dimethyl-p-toluidine is a clear colorless liquid with an aromatic odor. It is an amine accelerator for the polymerization of e.g. dental methacrylic restorative materials. N,N-Dimethyl-p-toluidine is used as a polymerization catalyst for polyesters, acrylate and epoxy resins...

Friday 27 June 2025

Sodium cyanoborohydride (NaBH3CN) is a selective reducing agent used for a variety of chemical reductions, including aldehyde, ketones, acetals, epoxides, oximes, enamines, reductive aminations of aldehydes and ketones, and reductive alkylations of amines and hydrazines. The utility...

Friday 27 June 2025

Tryptamine is a monoamine alkaloid that can be synthesized by decarboxylation of the amino acid tryptophan. Notably, tryptamine can be found in fungi, plants, Amphibia, animals, and microbes. Tryptamine has an indole ring structure and a fused double ring that is composed of a benzene...

Thursday 26 June 2025

Quantité : 1kg; 25kg;

- Luciferin is a chemiluminescent substrate of firefly luciferase. It produces light upon oxidative decarboxylation by luciferase in the presence of ATP. D-luciferin can be employed to assay the expression of the luciferase gene linked to a promoter of interest. Alternatively, D-luciferin...

Thursday 26 June 2025

Quantité : 1kg; 25kg;

2,4,6-Trimethylbenzoyl chloride is an important organic reagent that can be used for the electrochemical reduction reaction to prepare 2,4,6-trimethylbenzaldehyde and tetramer (i.e. 1,2-bis(2,4,6-trimethylphenyl)ethylene-1 ,2-diol bis(2,4,6-trimethylbenzoate)). 2,4,6-Trimethylbenzoyl...

Thursday 26 June 2025

- Luciferin is a chemiluminescent substrate of firefly luciferase. It produces light upon oxidative decarboxylation by luciferase in the presence of ATP. D-luciferin can be employed to assay the expression of the luciferase gene linked to a promoter of interest. Alternatively, D-luciferin...

Tuesday 24 June 2025

1,3-Benzodioxole-5-ethanamine, also known as 5-ethoxy-1,3-benzodioxole, is a chemical compound belonging to the class of substituted phenethylamines. It features a benzodioxole ring structure with an ethylamine group attached at the 5-position of the ring. This molecule is structurally...

Thursday 19 June 2025

Cyanoacetic acid, a compound with the formula NCCH2COOH, was first synthesized in the late 19th century as chemists explored derivatives of acetic acid. Cyanoacetic acid is characterized by the presence of both a cyano group (CN) and a carboxyl group (COOH), making it a versatile...

Thursday 19 June 2025

This information will help you care for your skin before and after your fractional CO2 laser resurfacing treatment. Some people need many treatments to get the best results. Ask your healthcare provider how many treatments you will need. What Is CO2 Laser Skin Resurfacing, and What...

Thursday 12 June 2025

(S)-1-phenyl-1,2,3,4-tetrahydroisoquinol ine can be used to prepare solifenacin. Solifenacin succinate, CAS No. 242478-38-2, chemical name 1-azabicyclo[2.2.2]octan-8-yl-(1S)-1-phe nyl-3,4-dihydro-1H-isoquinoline-2-carbox ylate succinate, is prepared by condensing (S)-1-phenyl-1,2,3,4...

Wednesday 11 June 2025

Quantité : 1kg; 25kg;

N,N-Dimethyl-p-toluidine is a clear colorless liquid with an aromatic odor. It is an amine accelerator for the polymerization of e.g. dental methacrylic restorative materials. N,N-Dimethyl-p-toluidine is used as a polymerization catalyst for polyesters, acrylate and epoxy resins...

Wednesday 11 June 2025

N,N-Dimethyl-p-toluidine is a clear colorless liquid with an aromatic odor. It is an amine accelerator for the polymerization of e.g. dental methacrylic restorative materials. N,N-Dimethyl-p-toluidine is used as a polymerization catalyst for polyesters, acrylate and epoxy resins...

Saturday 07 June 2025

Sodium cyanoborohydride (NaBH3CN) is a selective reducing agent used for a variety of chemical reductions, including aldehyde, ketones, acetals, epoxides, oximes, enamines, reductive aminations of aldehydes and ketones, and reductive alkylations of amines and hydrazines. The utility...

Saturday 07 June 2025

Tryptamine is a monoamine alkaloid that can be synthesized by decarboxylation of the amino acid tryptophan. Notably, tryptamine can be found in fungi, plants, Amphibia, animals, and microbes. Tryptamine has an indole ring structure and a fused double ring that is composed of a benzene...

Saturday 07 June 2025

Quantité : 1kg; 25kg;

N,N-Dimethyl-p-toluidine is a clear colorless liquid with an aromatic odor. It is an amine accelerator for the polymerization of e.g. dental methacrylic restorative materials. N,N-Dimethyl-p-toluidine is used as a polymerization catalyst for polyesters, acrylate and epoxy resins...

Friday 06 June 2025

Quantité : 1kg; 25kg;

Sodium cyanoborohydride (NaBH3CN) is a selective reducing agent used for a variety of chemical reductions, including aldehyde, ketones, acetals, epoxides, oximes, enamines, reductive aminations of aldehydes and ketones, and reductive alkylations of amines and hydrazines. The utility...

Friday 06 June 2025

Quantité : 1kg; 25kg;

Tryptamine is a monoamine alkaloid that can be synthesized by decarboxylation of the amino acid tryptophan. Notably, tryptamine can be found in fungi, plants, Amphibia, animals, and microbes. Tryptamine has an indole ring structure and a fused double ring that is composed of a benzene...