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Cas Database |
| Name |
Fmoc-L-Aspartic acid beta-tert-butyl ester |
EINECS | 276-251-7 |
| CAS No. | 71989-14-5 | Density | 1.251 g/cm3 |
| PSA | 101.93000 | LogP | 4.10100 |
| Solubility | Slightly soluble in water. | Melting Point |
148-150 °C (dec.) |
| Formula | C23H25NO6 | Boiling Point | 620.8 °C at 760 mmHg |
| Molecular Weight | 411.455 | Flash Point | 329.3 °C |
| Transport Information | N/A | Appearance | white to light yellow crystal powder |
| Safety | 24/25-36/37/39-27-26 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxo-4-tert-butoxy-butanoic acid;Fmoc-Asp(OtBu)-OH;(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxo-4-tert-butoxy-butanoate;4-tert-Butyl hydrogen N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-aspartate;Fmoc-L-Asp(OtBu)-OH;Fmoc-Asp(OBut);Fmoc-Asp(otbu);Fmoc-L-Aspartic acid β-tert.buty ester;Fmoc-L-Aspartic Acid-4-Tert-Butyl Ester;FmocAsp(OtBu)-OH;Fmoc-L-aspartic Acid 4-tert-Butyl Ester;Fmoc-Asp(otbu) )-OH; |
Article Data | 11 |
Fmoc-L-Aspartic acid beta-tert-butyl ester Chemical Properties
Molecular structure of Fmoc-L-Aspartic acid beta-tert-butyl ester (CAS NO.71989-14-5) is:
Product Name: Fmoc-L-Aspartic acid beta-tert-butyl ester
CAS Registry Number: 71989-14-5
IUPAC Name: 2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
Molecular Weight: 411.4477 [g/mol]
Molecular Formula: C23H25NO6
XLogP3-AA: 3.5
H-Bond Donor: 2
H-Bond Acceptor: 6
EINECS: 276-251-7
Melting Point: 148-150 °C (dec.)
Surface Tension: 51.5 dyne/cm
Density: 1.251 g/cm3
Flash Point: 329.3 °C
Enthalpy of Vaporization: 96.72 kJ/mol
Boiling Point: 620.8 °C at 760 mmHg
Vapour Pressure: 2.83E-16 mmHg at 25°C
Product Categories: Protected amino acid & peptides;Amino Acids;Aspartic acid [Asp, D];Fmoc-Amino Acids and Derivatives;Amino Acids (N-Protected);Biochemistry;Fmoc-Amino Acids;Fmoc-Amino acid series
Fmoc-L-Aspartic acid beta-tert-butyl ester Safety Profile
Safty information about Fmoc-L-Aspartic acid beta-tert-butyl ester (CAS NO.71989-14-5) is:
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36/37/39-27-26
S24/25:Avoid contact with skin and eyes.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S27:Take off immediately all contaminated clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
HazardClass: IRRITANT
Fmoc-L-Aspartic acid beta-tert-butyl ester Specification
Fmoc-L-Aspartic acid beta-tert-butyl ester , its cas register number is 71989-14-5. It also can be called 4-tert-Butyl hydrogen N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-aspartate ; N-(9-Fluorenylmethoxycarbonyl)-L-aspartic acid beta-tert-butyl ester ; Fmoc-Asp(OtBu)-OH . It is a white to light yellow crystal powder.
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