Butyryl Chloride (CAS: 141-75-3) is a colorless, moisture-sensitive acyl chloride liquid used to introduce the butyryl group into alcohols, phenols, and amines. It is a versatile acylation reagent for fine-chemical, pharmaceutical, and agrochemical synthesis, producing butyrate esters and amides under moderate conditions with clean conversion. The compound reacts readily with water and nucleophiles, so material
N-Methylaniline (CAS: 100-61-8) is a colorless to light yellow aromatic amine liquid that darkens gradually on storage. It is a versatile organic intermediate used in dye and pigment synthesis, agrochemical production, rubber chemical manufacture, and as a gasoline octane booster additive. The compound contains one N-methyl group and one free N-H bond, enabling further N-alkylation,
p-Phenylenediamine (CAS: 106-50-3), also known as PPD or 1,4-diaminobenzene, is a white to pink crystalline aromatic diamine that may darken on storage. It is one of the most important dye intermediates, serving as the primary oxidative colorant in hair dyes and a key building block for azo dyes and pigments. The symmetrical diamine structure also
p-Phenylenediamine Read More »
Acrolein (CAS: 107-02-8) is a colorless, highly reactive aldehyde liquid supplied stabilized with hydroquinone to prevent polymerization. It is a major organic intermediate for methionine production, the starting material for glutaraldehyde and acrylic acid routes, and a biocide for oilfield water injection systems. The compound reacts readily by addition at the aldehyde and vinyl positions,
1,3-Dibromopropane (CAS: 109-64-8) is a clear colorless to pale yellow liquid dihalide used as a three-carbon alkylating and linking agent. The two reactive bromides support double substitution chemistry, enabling construction of cyclic amines and other heterocyclic structures used in pharmaceutical and agrochemical synthesis. It also serves as a building block for quaternary ammonium compounds, phase-transfer
1,3-Dibromopropane Read More »
Albendazole (CAS: 54965-21-8) is a white to off-white crystalline broad-spectrum anthelmintic active ingredient of the benzimidazole class. It works by inhibiting microtubule polymerization in susceptible parasites, and is formulated into tablets and suspensions for treating roundworm, tapeworm, and fluke infections in humans and animals. As a bulk API it is formulated into human and veterinary
Progesterone (CAS: 57-83-0) is a white to creamy-white crystalline steroid hormone and bulk active pharmaceutical ingredient. As the natural progestogen, it is used in hormone replacement therapy, fertility treatment, menstrual regulation, and contraception in formulated pharmaceutical products. It is also a key starting material for the semi-synthesis of other steroid active ingredients. The compound is
Inosine (CAS: 58-63-9) is a white crystalline purine nucleoside formed from hypoxanthine attached to ribose. It is a bulk pharmaceutical ingredient used in cardiovascular and liver-supporting medicines and a popular supplement ingredient for energy and recovery products. As a biochemical it serves as a starting material for nucleotide synthesis and a research reagent in metabolic
Tetra-O-acetyl-beta-D-ribofuranose (CAS: 13035-61-5) is a white to off-white crystalline powder that serves as a protected ribose building block for nucleoside and nucleotide synthesis. The four acetyl groups mask the hydroxyl functions, allowing selective glycosylation at the anomeric position before deprotection under mild conditions. It is a key intermediate in the production of pharmaceutical nucleoside analogues,
Tetra-O-acetyl-beta-D-ribofuranose Read More »
DTPMP sodium salt (CAS 22042-96-2) is the sodium salt of diethylenetriaminepenta(methylenephosphonic acid), a high-performance phosphonate chelating agent and scale inhibitor supplied as an aqueous solution. The commercial form is a partial sodium salt with variable sodium content; specifications are based on active content and phosphonate assay rather than a single fixed formula.
p-Tolyldiethanolamine (CAS: 3077-12-1), also known as N,N-bis(2-hydroxyethyl)-p-toluidine, is a white to off-white crystalline aromatic amine combining a para-methyl aniline core with two hydroxyethyl substituents. The two hydroxyl groups make it miscible with aqueous and polar systems while the tertiary amine delivers strong electron-donating reactivity. It is used as a dye and polymer intermediate, as a
p-Tolyldiethanolamine Read More »
Isoniazid (CAS: 54-85-3) is a white to almost white crystalline antitubercular active ingredient and one of the most important first-line medicines for tuberculosis treatment. It is the hydrazide of isonicotinic acid and acts as a prodrug, activated by bacterial catalase-peroxidase to inhibit mycolic acid biosynthesis in Mycobacterium tuberculosis. As a bulk API it is formulated
Valsartan (CAS: 137862-53-4) is a white to off-white crystalline antihypertensive active ingredient, a competitive and selective angiotensin II AT1 receptor blocker. It lowers blood pressure by blocking angiotensin II action in vascular smooth muscle and other tissues, and it is indicated for hypertension, heart failure, and post-myocardial infarction care. The API is formulated into tablets
Candesartan Cilexetil (CAS: 145040-37-5) is a white to off-white crystalline prodrug of candesartan, a selective AT1 angiotensin II receptor antagonist. It is hydrolyzed to the active candesartan during gastrointestinal absorption, providing a long-lasting, dose-dependent reduction in blood pressure for hypertension treatment. The compound is formulated as tablets and is also combined with hydrochlorothiazide for patients
Candesartan Cilexetil Read More »
4-Fluorobenzaldehyde (CAS: 459-57-4) is a colorless to light yellow liquid aromatic aldehyde bearing a para-fluorine atom. It is a versatile intermediate for pharmaceuticals, agrochemicals, dyes, and liquid-crystal materials, where the aldehyde group supports condensation, reduction, and oxidation chemistry and the fluorine improves downstream molecule performance. It is used in synthesizing active ingredients and intermediates for
4-Fluorobenzaldehyde Read More »
Cyhalofop-Butyl (CAS: 122008-85-9) is a white to off-white solid aryloxyphenoxy propionate herbicide used for post-emergence grass weed control in rice. It selectively inhibits acetyl-CoA carboxylase in grasses, controlling weeds such as barnyardgrass, sprangletop, and clubgrass while leaving rice crops safe, and it is formulated as emulsifiable concentrates and suspension concentrates. The compound is sold and
