1717 Results for: "Hydroxy-PEG10-t-butyl ester&amp"

Sort By

« ‹ 9 10 11 › »

2,4-Dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylic acid tert-butyl ester

Supplier: Apollo Scientific

2,4-Dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylic acid tert-butyl ester

Expand 2 Items

2-Oxo-1,9-diazaspiro[5.5]undec-3-ene-9-carboxylic acid tert-butyl ester 95+%

Supplier: Apollo Scientific

2-Oxo-1,9-diazaspiro[5.5]undec-3-ene-9-carboxylic acid tert-butyl ester 95+%

Expand 1 Items

4,6-Dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester 95%

Supplier: Apollo Scientific

4,6-Dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester 95%

Expand 3 Items

[3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-benzyl]-carbamic acid tert-butyl ester 98%

Supplier: Apollo Scientific

[3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-benzyl]-carbamic acid tert-butyl ester 98%

Expand 2 Items

N'-[1-Amino-1-(3,5-bis-(trifluoromethyl)phenyl)methylidene]hydrazine carboxylic acid-tert-butyl ester

Supplier: Apollo Scientific

N'-[1-Amino-1-(3,5-bis-(trifluoromethyl)phenyl)methylidene]hydrazine carboxylic acid-tert-butyl ester

Expand 2 Items

4-[3-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)propyl]piperazine-1-carboxylic acid tert-butyl ester

Supplier: Apollo Scientific

4-[3-(1,3-Dioxo-1,3-dihydroisoindol-2-yl)propyl]piperazine-1-carboxylic acid tert-butyl ester

Expand 2 Items

6,7-Diethoxy-3,4-dihydro-1H-isoquinoline-1,2-dicarboxylic acid 2-tert-butyl ester

Supplier: Apollo Scientific

6,7-Diethoxy-3,4-dihydro-1H-isoquinoline-1,2-dicarboxylic acid 2-tert-butyl ester

Expand 1 Items

1-Carboxymethyl-6,7-dimethoxy-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

Supplier: Apollo Scientific

1-Carboxymethyl-6,7-dimethoxy-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

Expand 2 Items

4-[(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-methyl-amino]-piperidine-1-carboxylic acid tert-butyl ester

Supplier: Apollo Scientific

4-[(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-methyl-amino]-piperidine-1-carboxylic acid tert-butyl ester

Expand 1 Items

(3'-Chloro-5'-trifluoromethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-3-yl)-carbamic acid tert-butyl ester

Supplier: Apollo Scientific

(3'-Chloro-5'-trifluoromethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-3-yl)-carbamic acid tert-butyl ester

Expand 1 Items

(1R,2S,4S*)-7-Aza-bicyclo[2.2.1]heptane-2,7-dicarboxylic acid 7-tert-butyl ester

Supplier: Apollo Scientific

(1R*,2S*,4S*)-7-Aza-bicyclo[2.2.1]heptane-2,7-dicarboxylic acid 7-tert-butyl ester

Expand 2 Items

(3'-Chloro-5'-trifluoromethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-3-ylmethyl)-carbamic acid tert-butyl ester

Supplier: Apollo Scientific

(3'-Chloro-5'-trifluoromethyl-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-3-ylmethyl)-carbamic acid tert-butyl ester

Expand 1 Items

O-(2-Azido-4,6-O-benzylidene-2-deoxy-ɑ-D-galactopyranosyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-threonine tert-Butyl Ester ≥97.0% (by HPLC)

Supplier: TCI

O-(2-Azido-4,6-O-benzylidene-2-deoxy-ɑ-D-galactopyranosyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-threonine tert-Butyl Ester ≥97.0% (by HPLC)

Expand 1 Items

O-(2-Azido-4,6-O-benzylidene-2-deoxy-ɑ-D-galactopyranosyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine tert-Butyl Ester ≥92.0% (by HPLC)

Supplier: TCI

O-(2-Azido-4,6-O-benzylidene-2-deoxy-ɑ-D-galactopyranosyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine tert-Butyl Ester ≥92.0% (by HPLC)

Expand 1 Items

(1R,2R,3S,5R)-(2,6,6-Trimethyl-3-methylcarbamoyl-bicyclo[3.1.1]hept-2-yl)-carbamic acid tert-butyl ester

Supplier: Apollo Scientific

(1R,2R,3S,5R)-(2,6,6-Trimethyl-3-methylcarbamoyl-bicyclo[3.1.1]hept-2-yl)-carbamic acid tert-butyl ester

Expand 2 Items

(1S,2S,3R,5S)-(2,6,6-Trimethyl-3-methylcarbamoyl-bicyclo[3.1.1]hept-2-yl)-carbamic acid tert-butyl ester

Supplier: Apollo Scientific

(1S,2S,3R,5S)-(2,6,6-Trimethyl-3-methylcarbamoyl-bicyclo[3.1.1]hept-2-yl)-carbamic acid tert-butyl ester

Expand 2 Items

Atorvastatin tert-Butyl Ester, Pharmaceutical Analytical Impurities

Supplier: USP

Pharmaceutical Analytical Impurities are released through a USP quality process designed to ensure identity and quality appropriate for analytical applications. These impurities are supported with a product information sheet for each batch.

Expand 1 Items

Ethyl bromofluoroacetate 98%

Supplier: Apollo Scientific

Versatile fluorinated building block. Intermediate for the synthesis of 2-fluoro-3-hydroxy esters, 2-fluoro-3-keto esters and ethyl 2-fluoroalkanoates, ask for references.

Expand 2 Items

(4-Chloro-3-hydroxy-phenyl)-carbamic acid tert-butyl ester 1g pack 1 * 1 g

Supplier: Apollo Scientific

(4-Chloro-3-hydroxy-phenyl)-carbamic acid tert-butyl ester 1g pack 1 * 1 g

Expand 1 Items

3-Hydroxy-5-methyl-pyrazole-1-carboxylic acid tert-butyl ester 5g pack 1 * 5 g

Supplier: Apollo Scientific

3-Hydroxy-5-methyl-pyrazole-1-carboxylic acid tert-butyl ester 5g pack 1 * 5 g

Expand 1 Items

Trifluoroacetic acid 99,5%

Supplier: Apollo Scientific

Strong organic acid widely used to cleave N-BOC & t-butyl ester groups in peptide synthesis.

Expand 2 Items

(3.4)-cis-3-Fluoro-4-hydroxy-piperidine-1-carboxylic acid tert-Butyl ester 5g pack 1 * 5 g

Supplier: Apollo Scientific

(3.4)-cis-3-Fluoro-4-hydroxy-piperidine-1-carboxylic acid tert-Butyl ester 5g pack 1 * 5 g

Expand 1 Items

a-hydroxy-benzeneacetic acid, phenylmethyl ester 1 * 5 g

Supplier: Cayman Chemical

a-hydroxy-benzeneacetic acid, phenylmethyl ester 1 * 5 g

Expand 1 Items

Ethyl bromodifluoroacetate 98%

Supplier: Apollo Scientific

Treatment of the Reformatsky reagent with aldehydes and ketones affords 2,2-difluoro-3-hydroxy esters. Please enquire for references and other data for this item.