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71989-14-5

71989-14-5 structure
71989-14-5 structure
  • Name: FMOC-ASP(OTBU)-OH
  • Chemical Name: FMOC-L-Aspartic acid β-tert-butyl ester
  • CAS Number: 71989-14-5
  • Molecular Formula: C23H25NO6
  • Molecular Weight: 411.448
  • Catalog: Biochemical Amino acids and their derivatives Aspartic acid derivative
  • Create Date: 2018-09-14 08:03:54
  • Modify Date: 2025-08-20 09:44:19
  • Fmoc-Asp(OtBu)-OH (4-tert-Butyl N-(fluoren-9-ylmethoxycarbonyl)-L-aspartate) is a aspartate derivative containing amine protecting group Fmoc. Fmoc-Asp(OtBu)-OH can be used for peptide synthesis[1].
Name FMOC-L-Aspartic acid β-tert-butyl ester
Synonyms L-Aspartic acid, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 4-(1,1-dimethylethyl) ester
FMOC-L-Asparticacidbeta-tert-butylester
4-tert-Butyl hydrogen N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-aspartate
(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-4-[(2-methyl-2-propanyl)oxy]-4-oxobutanoic acid
MFCD00037131
FMOC-L-Aspartic acid beta-tert-butyl ester
N-α-FMOC-L-aspartic acid β-tert-butyl ester
Fmoc-L-aspartic acid 4-tert-butyl ester
Fmoc-Asp(OtBu)-OH
EINECS 276-251-7
(2S)-4-tert-Butoxy-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-oxobutanoic acid (non-preferred name)
9-fluorenyl-methoxycarbonyl-L-Asp-tert-butyl ester
Description Fmoc-Asp(OtBu)-OH (4-tert-Butyl N-(fluoren-9-ylmethoxycarbonyl)-L-aspartate) is a aspartate derivative containing amine protecting group Fmoc. Fmoc-Asp(OtBu)-OH can be used for peptide synthesis[1].
Related Catalog
References

[1]. Esquivel J B, et al. Chiral HPLC separation of protected amino acids. Journal of liquid chromatography & related technologies, 1998, 21(6): 777-791.
Density 1.3±0.1 g/cm3
Boiling Point 620.8±55.0 °C at 760 mmHg
Melting Point 148-150 °C (dec.)
Molecular Formula C23H25NO6
Molecular Weight 411.448
Flash Point 329.3±31.5 °C
Exact Mass 411.168182
PSA 101.93000
LogP 5.16
Vapour Pressure 0.0±1.9 mmHg at 25°C
Index of Refraction 1.576
Storage condition 2~8°C
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2924299090
HS Code 2924299090
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%
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