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Fmoc-Asp(OtBu)-OH

Fmoc-Asp(OtBu)-OH Structure
CAS No.
71989-14-5
Chemical Name:
Fmoc-Asp(OtBu)-OH
Synonyms
FMOC-ASP(OTBU)-OH;FMOC-ASP(TBU)-OH;(S)-2-((((9H-Fluoren-9-yl)Methoxy)carbonyl)aMino)-4-(tert-butoxy)-4-oxobutanoic acid;FMOC-L-ASP(OTBU)-OH;FMOC-ASP(OBUT);Fomc-Asp(OtBu)-OH;FMOC-L-ASP(TBU)-OH;Fomc-Asp(O;cas:71989-14-5;Fmoc-(tBu)Asp-OH
CBNumber:
CB2143480
Molecular Formula:
C23H25NO6
Molecular Weight:
411.45
MOL File:
71989-14-5.mol
MSDS File:
SDS
Modify Date:
2024/7/2 14:09:54

Fmoc-Asp(OtBu)-OH Properties

Melting point 148-150 °C (dec.)
alpha -25 º (c=1,DMF 24 ºC)
Boiling point 530.45°C (rough estimate)
Density 1.2498 (rough estimate)
refractive index -25 ° (C=1, DMF)
storage temp. 2-8°C
solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form powder to crystal
pka 3.57±0.23(Predicted)
color White to Almost white
optical activity [α]20/D 24±2°, c = 1% in DMF
Water Solubility Slightly soluble in water.
BRN 3635671
InChIKey FODJWPHPWBKDON-IBGZPJMESA-N
CAS DataBase Reference 71989-14-5(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02,GHS05
Signal word  Danger
Hazard statements  H225-H314
Precautionary statements  P210-P233-P240-P241-P242-P243-P260-P264-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378-P403+P235-P405-P501
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-36/37/39-27-26
WGK Germany  3
HazardClass  IRRITANT
HS Code  29242990
NFPA 704
1
0 0

Fmoc-Asp(OtBu)-OH price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 8.52005 Fmoc-Asp(OtBu)-OH Novabiochem? 71989-14-5 25G ₹4640 2022-06-14 Buy
Sigma-Aldrich(India) 8.52005 Fmoc-Asp(OtBu)-OH Novabiochem? 71989-14-5 100G ₹13950 2022-06-14 Buy
Sigma-Aldrich(India) 8.52005 Fmoc-Asp(OtBu)-OH Novabiochem? 71989-14-5 250G ₹29800.01 2022-06-14 Buy
Sigma-Aldrich(India) 8.52005 Fmoc-Asp(OtBu)-OH Novabiochem? 71989-14-5 500G ₹55800 2022-06-14 Buy
Sigma-Aldrich(India) 8.52005 Fmoc-Asp(OtBu)-OH Novabiochem? 71989-14-5 1KG ₹103210 2022-06-14 Buy
Product number Packaging Price Buy
8.52005 25G ₹4640 Buy
8.52005 100G ₹13950 Buy
8.52005 250G ₹29800.01 Buy
8.52005 500G ₹55800 Buy
8.52005 1KG ₹103210 Buy

Fmoc-Asp(OtBu)-OH Chemical Properties,Uses,Production

Chemical Properties

Fmoc-Asp(OtBu)-OH is a protected form of L-aspartic acid. It is a white to light yellow crystal powder. The molecule contains ester groups and amino groups, making it prone to polymerization and unstable over time. Therefore, it is not recommended to store it for extended periods.

Uses

L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body.

Preparation

Fmoc-Asp(OtBu)-OH was prepared by substitution reaction with 9-fluorenylmethyl chloroformate from L-aspartic acid 4-tert-butyl ester.

General Description

The product number for this product was previously 04-12-1013.

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NALPHA-9-Fluorenylmethoxycarbonyl-L-aspartic acid B-tert- butyl ester N-[(9H-FLUOREN-9-YLMETHOXY)CARBONYL]-L-ASPARTIC ACID-4-TERT-BUTYL ESTER Fmoc-L-aspartic acid -t-butyl ester N-α-Fmoc-L-aspartic acid β-tert butyl ester L-Aspartic Acid-15N-β-O-t-Butyl Ester-N-FMOC 4-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate 4-tert-Butyl N-Fmoc-L-aspartate N-Fmoc-L-aspartic Acid 4-tert-Butyl Ester N-(9-fluorenylmethoxycarbonyl)-L-aspartic acid butyl ester 2-(9H-Fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid L-Aspartic acid, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 4-(1,1-dimethylethyl) ester N-(9-Fluorenylmethoxycarbonyl)aspartic acid 4-tert-butyl ester N-(9-Fluorenylmethoxycarbonyl)-L-aspartic acid b-tert-butyl ester N-(9-Fluorenylmethyloxycarbonyl)-L-aspartic acid 4-tert-butyl ester ,98% FMOC-L-ASPARTIC ACID-BETA-TERT-BUTYLESTER 98% (S)-2-[(9H-Fluorene-9-yl)methoxycarbonylamino]succinic acid 4-tert-butyl ester (S)-4-Oxo-4-tert-butoxy-2-[(9H-fluorene-9-ylmethoxycarbonyl)amino]butanoic acid N-(9H-Fluorene-9-ylmethoxycarbonyl)-3-(tert-butyloxycarbonyl)-L-alanine N-(9H-Fluorene-9-ylmethoxycarbonyl)-4-oxo-O-tert-butyl-L-homoserine N-(9H-Fluorene-9-ylmethoxycarbonyl)-L-aspartic acid 4-tert-butyl ester (2S)-4-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-keto-butyric acid (2S)-4-tert-butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxo-butanoic acid (2S)-4-tert-butoxy-2-[(9H-fluoren-9-ylmethoxy-oxomethyl)amino]-4-oxobutanoic acid L-Aspartic Acid-N-FMOC,β-O-t-Butyl Ester-UL-13C4, 15N 4-tert-butoxy-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-oxobutanoic acid 9-FLUORENYLMETHOXYCARBONYL-L-ASPARTIC ACID BETA-T-BUTYL ESTER Fmoc-L-Aspartic acid beta-tert-butyl ester FMOC-L-ASPARTIC ACID B-T-BUTYL ESTER FMOC-L-ASPARTIC ACID (OTBU) FMOC-L-ASPARTIC ACID(O-T-BUTYL) FMOC-L-ASP(O-T-BUTYL) FMOC-L-ASPARTIC ACID 4-TERT-BUTYL ESTER FMOC-L-ASPARTIC ACID BETA-T-BUTYL ESTER FMOC-L-ASPARAGIN ACID BETA-T-BUTYL ESTER FMOC-L-ASPARAGIN ACID BETA-TERT-BUTYL ESTER FMOC-ASPARTIC ACID(OTBU) FMOC-ASP(OBUT)-OH L-Aspartic Acid-15N-|beta|-O-t-Butyl Ester-N-FMOC L-Aspartic Acid-N-FMOC,|beta|-O-t-Butyl Ester-UL-13C4, 15N N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartic acid 4-(1,1-dimethylethyl) ester FMOC-L-Aspartic acid beta-tert-butyl ester,98% 4-tert-butyl hydrogen N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-aspartate Fmoc-L-aspartic acid β-tert.buty ester N-FMOC-L-ASPARTIC ACID B-T-BUTYL ESTER Fmoc-Asp(Tbut)-Oh Fmoc-L-aspartic acid 4-tert-butyl ester ,98% N-(9-Fluorenylmethoxycarbonyl)-L-aspartic acid beta-t-butyl ester FMoc-Asparticacid4-t-butylester Fmoc-Aspartic acid (Obut)-OH L-ASPARTIC ACID-N-FMOC, BETA-O-TERT-BUTYL ESTER FMoc-Asp(OtBu)-OH FMoc-L-aspartic acid β-tert.buty ester 4-tert-Butyl N-Fmoc-L-aspartate N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartic Acid 4-tert-Butyl Ester N-Fmoc-L-aspartic Acid 4-tert-Butyl Ester Fmoc-Asp(OtBu)-OH Fmoc-Asp(OtBu)-OH >=98.0% (HPLC) (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxo-butanoic acid Fmoc-Asp(OtBu)-OH(CAS:71989-14-5) Fmoc-(tBu)Asp-OH cas:71989-14-5