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Pharmaceutical Intermediates

100+ advanced intermediates with validated synthetic routes. Core expertise: ganciclovir/acyclovir chains, fenofibrate intermediates, chiral building blocks. Kilo-to-ton scale, GMP-compliant.

Ganciclovir / Valganciclovir Intermediate Chain

Complete protected intermediate series from early-stage building blocks to late-stage precursors. Proprietary routes, patented processes.
IntermediateCAS No.Structure / SynonymsStage
Triacetylganciclovir86357-14-4N-Acetyl-di-O-acetylganciclovirLate-stage
1,3-Diacetoxy-2-(acetoxymethoxy)propane86357-13-3Sugar moiety triacetateMid-stage
1,3-Dichloro-2-(acetoxymethoxy)propane89281-73-2Chlorinated sugar precursorMid-stage
Ganciclovir Mono-O-acetate88110-89-8Monoacetoxy ganciclovir derivativeLate-stage
Cbz-Valine Ganciclovir194154-40-0N-Cbz-L-valinyl-ganciclovirValganciclovir precursor

Acyclovir Intermediate Chain

IntermediateCAS No.Structure / SynonymsStage
1,4-Diacetoxy-2-oxabutane59278-00-1(2-Acetoxyethoxy)methyl acetateSide chain
Diacetylacyclovir75128-73-39-[(2-Acetoxyethoxy)methyl]-N2-acetylguanineLate-stage

Fenofibrate Intermediates

IntermediateCAS No.Role
Fenofibric Acid42017-89-0Active acid metabolite / direct precursor
4-Chloro-4'-hydroxybenzophenone42019-78-3Benzophenone core building block

Guanine Base Protected Intermediates

IntermediateCAS No.Application
N2,9-Diacetylguanine3056-33-5Acyclovir / Ganciclovir base protection

Custom & Chiral Intermediates (Selected)

Our library contains 1,000+ proprietary intermediates. Below is a representative selection of chiral and heterocyclic building blocks available for custom synthesis programs:
CompoundCAS No.Class
(2S,4S)-1-[(tert-Butoxy)carbonyl]-4-fluoropyrrolidine-2-carboxylic acid203866-13-1Chiral pyrrolidine
(3S)-(7-Bromo-2-oxo-5-pyridin-2-yl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)propionic acid methyl ester308242-23-1Benzodiazepine
(3S,4S)-3-Amino-4-hydroxytetrahydropyran1240390-32-2Chiral sugar
(3S,5R)-tert-Butyl 3,5-dimethylpiperazine-1-carboxylate129779-30-2Chiral piperazine
(4-Amino-2-methylpyrimidin-5-yl)methanol73-67-6Pyrimidine
(5-Fluoro-2,3-dihydrobenzofuran-4-yl)methanamine hydrochloride2135600-87-0Benzofuran
(5-Methylpyrazin-2-yl)methanamine132664-85-8Pyrazine
(5S)-5-Methyl-2-pyrrolidinone1558-60-7Chiral lactam
(6-Amino-3-chloro-2-fluorophenyl)boronic acid1802430-56-3Boronic acid
(R)-(+)-1-Boc-3-aminopyrrolidine147081-49-0Chiral amine
(R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol14347-78-5Chiral dioxolane
1H-Imidazole-1-sulfonyl azide hydrochloride952234-36-5Azide reagent
1H-Pyrazole-3-carbonitrile36650-74-5Pyrazole
2,2'-Oxybis(N,N-bis(2-ethylhexyl)acetamide)669087-46-1Specialty
2,3-Dichloro-6-methoxyquinoxaline39267-04-4Quinoxaline
2,4,6-Trichloropyrimidine-5-carbaldehyde50270-27-4Pyrimidine
2,5-Dimethoxypyridine-4-boronic acid1630193-77-9Boronic acid
4,6-Dichloronicotinonitrile166526-03-0Nicotinonitrile
5-Bromo-2-chloropyrimidin-4-amine205672-25-9Pyrimidine
6-Chloro-3-methyl-pyridine-2-carboxylic acid1201924-32-4Pyridine
tert-Butyl (3S,4S)-4-(((R)-tert-butylsulfinyl)amino)-3-methyl-2-oxa-8-azaspiro[4.5]decane-8-carboxylate1801766-78-8Chiral spirocycle

Custom Intermediate Development

Need a specific intermediate not listed? Our Rand D team designs routes, optimizes processes and scales from grams to tons under GMP.
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Intermediates

Meet the Powerhouse Intermediates of Hubei Teyer Pharmaceutical Co., Ltd!

Hubei Teyer Pharmaceutical Co., Ltd isn’t just about producing top-notch intermediates—they’re about pushing the boundaries of what’s possible in pharmaceuticals, this company blends innovation with precision, ensuring every product they roll out meets the highest standards.

 

Product NameCAS No.PURITYUSAGE
Triacetyl methoxyglycerin86357-13-398%minGCV
1,3-Dichloro-2-(acetoxymethoxy)propane89281-73-290%minGCV
Chlorine condensate compound (LSW)--85%minGCV
Ganciclovir Mono-O-acetate88110-89-899%minVGCV
CBZ-valine-Ganciclovir194154-40-099%minVGCV
O-Acetyl N- Carbobenzyloxy Valganciclovir194159-22-399%minVGCV
Triacetyl-ganciclovir86357-14-498%minGCV
Mono Benzyl Ganciclovir119089-68-898%minVGCV
Benzyl Dipropionate(BDP)194204-51-8 VGCV
2-[[(E)-(3-chloro-6-oxocyclohexa-2,4-dien-1-ylidene)methyl]amino]-3-methylbutanoic acid43203-52-7 VGCV
N-[(5-Chloro-2-hydroxyphenyl)phenylmethylene]-L-valine38075-43-3 VGCV
Vandetanib intermediates:  Antitumous agent
7-(benzyloxy)-N-(4-bromo-2-fluorophenyl)-6-methoxyquinazolin-4-amine768350-54-5  
4-(4-Bromo-2-fluoroanilino)-7-hydroxy-6-methoxyquinazoline196603-96-0  
1-methyl-piperidine-4-carboxylic acid68947-43-3  
Pranatinib intermediate:   
3-trifluoromethyl-4-[(4-methylpiperazin-1-yl)methyl]aniline694499-26-8 AJC-02