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FMOC-L-Aspartic acid β-tert-butyl ester

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Origin: China

Cas No: 71989-14-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
71989-14-5
Other Names:
Fmoc-Asp(OtBu)-OH
MF:
71989-14-5
EINECS No.:
71989-14-5
Place of Origin:
Shanghai, China
Type:
Vitamins, Amino Acids and Coenzymes
Grade Standard:
Medicine Grade
Brand Name:
XINGLU
Model Number:
XL-A51
Purity:
99% 71989-14-5
Appearance:
powder
COA:
Available
Spectrum:
Available
Inventory status:
check with us before place order cas 71989-14-5
MSDS:
Available
Assay:
Same as COA
Shelf life:
2 years when properly stored
Grade:
Pharmaceutical grade
Place of origin:
China
Packaging&Delivery
Packaging Details
1g,5g,10g,50g,100g/bottle, 1kg/tin for trial order or specific packing required by customer
25kg/drum, for commercial order quantity
Port
qingdao/shanghai/tianjin
Lead Time:
Quantity(Grams) 1 - 100 101 - 1000 1001 - 10000 >10000
Est. Time(days) 5 10 20 To be negotiated

Property

CAS No.: 71989-14-5 Formula: C23H25NO6 Molecular Weight: 411.44800

Description

Fmoc-L-aspartic Acid β-tert-butyl Ester is Fmoc protected L-Aspartic Acid 4-tert-Butyl Ester which is a protected form of L-Aspartic acid. L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body.

Basic Info

Chemical Name	FMOC-L-Aspartic acid β-tert-butyl ester
Synonyms	FMOC-L-Asparticacidbeta-tert-butylester; Fmoc-L-aspartic acid 4-tert-butyl ester; Fmoc-Asp(OtBu)-OH; 9-fluorenyl-methoxycarbonyl-L-Asp-tert-butyl ester;
CAS No.	71989-14-5
Molecular Formula	C23H25NO6
Molecular Weight	411.44800
PSA	101.93000
LogP	4.10100

Properties

Appearance & Physical State	white to light yellow crystal powder
Density	1.251 g/cm3
Boiling Point	620.8ºC at 760 mmHg
Melting Point	147-151ºC
Flash Point	329.3ºC
Refractive Index	-25 ° (C=1, DMF)
Stability	Stable under normal temperatures and pressures.
Storage Condition	2-8ºC

Safety Info

Safety Statements	S24/25
HS Code	2924299090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

N-(9-Fluorenylmethoxycarbonyloxy)succinimide+(2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid→FMOC-L-Aspartic acid β-tert-butyl ester
9-Fluorenylmethyl pentafluorophenyl carbonate+(2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid→FMOC-L-Aspartic acid β-tert-butyl ester
(2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid+(9H-fluoren-9-yl)methyl (1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-4,7-methanoisoindol-2-yl) carbonate→FMOC-L-Aspartic acid β-tert-butyl ester

Precursor

9-Fluorenylmethyl pentafluorophenyl carbonate
9H-fluoren-9-ylmethyl 2,5-dioxopyrrolidine-1-carboxylate
N-(9-Fluorenylmethoxycarbonyloxy)succinimide
(2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid

Downstream Product

(3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxo-4-phenylmethoxybutanoic acid
Fmoc-Asp(Otbu)-Opfp
2-aminobutanedioic acid
(2S)-2-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid

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