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(3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid

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Origin: China

Cas No: 129460-09-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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Product Description

Quick Details
CAS No.:
129460-09-9
MF:
129460-09-9
EINECS No.:
129460-09-9
Type:
Pharmaceutical Intermediates
Purity:
0.99
Application:
Pharmaceutical intermediates
Appearance:
powder
Product Name:
CAS No. 129460-09-9
Type of product:
pharmaceutical raw material
Grade:
Medical Grade
Packaging&Delivery
Selling Units:
Single item
Single package size:
15X10X10 cm
Single gross weight:
1.000 kg
Package Type:
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According to the customer demand
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Lead Time:
Quantity(Kilograms) 1 - 10 >10
Est. Time(days) 5 To be negotiated

Property

CAS No.: 129460-09-9 Formula: C23H25NO6 Molecular Weight: 411.44800

Basic Info

Chemical Name	(3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
Synonyms	L-Fmoc-Aspartic acid α-tert-butyl ester; 1-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartate; AmbotzFAA1356; fmoc-asp-otbu; Fmoc-L-aspartic acid 1-tert-butyl ester; Fmoc-L-aspartic acid tert-butyl ester; fmoc-asp-obut; Fmoc-Asp(tBu)-OH; Fmoc-Asp(OH)-OtBu; (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoic acid; 1-Tert-Butyl N-Fmoc-L-Aspartate; N-Fmoc-L-aspartic acid 1-tert-butyl ester; L-Fmoc-Asparticacidalpha-tert-butylester; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartic Acid 1-tert-Butyl Ester;
CAS No.	129460-09-9
Molecular Formula	C23H25NO6
Molecular Weight	411.44800
PSA	101.93000
LogP	4.10100

Properties

Density	1.251g/cm3
Boiling Point	617.4ºC at 760mmHg
Flash Point	327.2ºC
Refractive Index	1.576
Storage Condition	Store at RT.
Vapor Pressure	4.21E-16mmHg at 25°C

Safety Info

Safety Statements	S24/25
HS Code	2924299090

Synthesis Route

L-aspartic acid+9H-fluoren-9-ylmethyl 2,5-dioxopyrrolidine-1-carboxylate→FMOC-L-Aspartic acid β-tert-butyl ester+N-(9-fluorenylmethoxycarbonyl)aspartic acid di-tert-butyl ester
(S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)succinic acid 4-benzyl ester 1-tert-butyl ester→(3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
FMOC-D-ASP(OBZL)-OH→(3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid

Precursor

FMOC-D-ASP(OBZL)-OH
9H-fluoren-9-ylmethyl 2,5-dioxopyrrolidine-1-carboxylate
L-aspartic acid
(S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)succinic acid 4-benzyl ester 1-tert-butyl ester

Downstream Product

H-ASP-OTBU
(2S)-4-[[(2R,3R,4R,5S,6R)-3-acetamido-4,5-diacetyloxy-6-(acetyloxymethyl)oxan-2-yl]amino]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoic acid
(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)butanedioic acid

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