(2S)-2-{[(tert-butoxy)carbonyl]amino}-2-(thiophen-2-yl)acetic acid

• ChemBase ID: 38559
• Molecular Formular: C11H15NO4S
• Molecular Mass: 257.3061
• Monoisotopic Mass: 257.07217897
• SMILES: c1csc(c1)[C@H](C(=O)O)NC(=O)OC(C)(C)C
• Canonical SMILES: O=C(OC(C)(C)C)N[C@H](c1cccs1)C(=O)O
• InChI: InChI=1S/C11H15NO4S/c1-11(2,3)16-10(15)12-8(9(13)14)7-5-4-6-17-7/h4-6,8H,1-3H3,(H,12,15)(H,13,14)/t8-/m1/s1
• InChIKey: CFAJOXPICRIMCA-MRVPVSSYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: (2S)-2-{[(tert-butoxy)carbonyl]amino}-2-(thiophen-2-yl)acetic acid
• IUPAC Traditional name: (S)-[(tert-butoxycarbonyl)amino](thiophen-2-yl)acetic acid
• Synonyms: Boc-D-(2-thienyl)glycine; (S)-2-[(tert-Butoxycarbonyl)amino]-2-(2-thienyl)acetic acid; Boc-(S)-2-thienylglycine; (S)-2-[(叔丁氧羰基)氨基]-2-(2-噻吩基)乙酸; Boc-(S)-2-(2-噻吩基)-甘氨酸

Database IDs

• CAS Number: 40512-56-9
• MDL Number: MFCD07371938; MFCD02682478
• Beilstein Number: 5872840
• PubChem SID: 161001866
• PubChem CID: 40787461

CALCULATED PROPERTIES

• Acid pKa: 4.1382318
• H Acceptors: 3
• H Donor: 2
• LogD (pH = 5.5): 0.8166242
• LogD (pH = 7.4): -0.8805857
• Log P: 2.1939325
• Molar Refractivity: 62.1242 cm^3
• Polarizability: 24.406477 Å^3
• Polar Surface Area: 75.63 Å^2
• Rotatable Bonds: 5
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Optical Rotation: [α]/D -90±5°, c = 1 in ethanol

Safety Information

• Storage Warning: IRRITANT
• German water hazard class: 3
• TSCA Listed: false
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• Storage Temperature: 2-8°C

Product Information

• Purity: ≥96.5% (HPLC); 97%
• Empirical Formula (Hill Notation): C11H15NO4S

DETAILS

Sigma Aldrich - 711853

Packaging
250 mg in glass bottle