Fmoc-Asp(OtBu)-OH , 98% , 71989-14-5

Synonym(s):
Fmoc-L-aspartic acid 4-tert-butyl ester;Fmoc-Asp(OtBu)-OH;N-α-Fmoc-L-aspartic acid β-t.-butyl ester

CAS NO.：71989-14-5

Empirical Formula: C23H25NO6

Molecular Weight: 411.45

MDL number: MFCD00037131

EINECS: 276-251-7

PRODUCT Properties

• Melting point: 148-150 °C (dec.)
• alpha: -25 º (c=1,DMF 24 ºC)
• Boiling point: 530.45°C (rough estimate)
• Density: 1.2498 (rough estimate)
• refractive index: -25 ° (C=1, DMF)
• storage temp.: 2-8°C
• solubility: Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
• pka: 3.57±0.23(Predicted)
• form: powder to crystal
• color: White to Almost white
• optical activity: [α]20/D 24±2°, c = 1% in DMF
• Water Solubility: Slightly soluble in water.
• BRN: 3635671
• Major Application: peptide synthesis
• InChI: 1S/C23H25NO6/c1-23(2,3)30-20(25)12-19(21(26)27)24-22(28)29-13-18-16-10-6-4-8-14(16)15-9-5-7-11-17(15)18/h4-11,18-19H,12-13H2,1-3H3,(H,24,28)(H,26,27)/t19-/m0/s1
• InChIKey: FODJWPHPWBKDON-IBGZPJMESA-N
• SMILES: CC(C)(C)OC(=O)C[C@H](NC(=O)OCC1c2ccccc2-c3ccccc13)C(O)=O
• CAS DataBase Reference: 71989-14-5(CAS DataBase Reference)

Description and Uses

L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body.

Safety

• Symbol(GHS): GHS02,GHS05
• Signal word: Danger
• Hazard statements: H225-H314
• Precautionary statements: P210-P233-P240-P241-P242-P243-P260-P264-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378-P403+P235-P405-P501
• PPE: Eyeshields, Gloves, type N95 (US)
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 24/25-36/37/39-27-26
• WGK Germany: 3
• HazardClass: IRRITANT
• HS Code: 29242990
• Storage Class: 11 - Combustible Solids