(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoic acid ≥99.0% (by HPLC), white to off-white powder, Novabiochem®

Supplier: NOVABIOCHEM (PART OF MB)

Synonyms: N-Fmoc-L-aspartic Acid 4-tert-Butyl Ester, 4-tert-Butyl N-Fmoc-L-aspartate, Fmoc-Asp(OtBu)-OH, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-aspartic Acid 4-tert-Butyl Ester

8.52005.0100 8.52005.0025 8.52005.0500 8.52005.0250 8.52005.2000 8.52005.5000
04-12-1013-100EA 267 GBP
04-12-1013-100 04-12-1013-25 8.52005.0500 8.52005.0250 NOVA8.52005.2000 NOVA8.52005.5000
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoic acid ≥99.0% (by HPLC), white to off-white powder, Novabiochem®
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(tert-butoxy)-4-oxobutanoic acid
Formula: C₂₃H₂₅NO₆
MW: 411,5 g/mol
Melting Pt: 143…150 °C
MDL Number: MFCD00037131
CAS Number: 71989-14-5

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Specification Test Results

Colour Index (0.5 M in DMF) ≤150 Hazen
Identity (IR) Passes Test
Enantiomeric Purity ≥99.8% (a/a)
Purity (HPLC) ≥99.0% (a/a)
Fmoc-ß-Ala-OH (HPLC) ≤0.1% (a/a)
Fmoc-ß-Ala-Asp (OtBu)-OH (HPLC) ≤0.1% (a/a)
Fmoc-Asp(OtBu)-Asp(OtBu)-OH (HPLC) ≤0.1% (a/a)
Fmoc-Asp-OH (HPLC) ≤0.1% (a/a)
Assay Free Amino Acid (GC) ≤0.2%
Purity (TLC(011A)) ≥98%
Purity (TLC(0811)) ≥98%
Solubility (25 mmole in 50 ml DMF) Clearly Soluble
Assay (Acidimetric) ≥98.0%
Water (K. F.) ≤2.0%
Ethyl Acetate (HS-GC) ≤0.5%
Acetate (IC) ≤0.02%

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