3-tert-Butoxycarbonylamino-2-methyl-propionic acid

Modify Date: 2026-07-25 16:28:33

3-tert-Butoxycarbonylamino-2-methyl-propionic acid Structure
3-tert-Butoxycarbonylamino-2-methyl-propionic acid structure
Common Name 3-tert-Butoxycarbonylamino-2-methyl-propionic acid
CAS Number 190897-47-3 Molecular Weight 203.236
Density 1.1±0.1 g/cm3 Boiling Point 339.5±25.0 °C at 760 mmHg
Molecular Formula C9H17NO4 Melting Point 88ºC(lit.)
MSDS Chinese USA Flash Point 159.1±23.2 °C

Summary: (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, commonly known as 3-tert-Butoxycarbonylamino-2-methyl-propionic acid, with CAS number 190897-47-3 and molecular formula C9H17NO4, molecular weight 203.236. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 339.5±25.0 °C at 760 mmHg
Melting Point 88ºC(lit.)
Molecular Formula C9H17NO4
Molecular Weight 203.236
Flash Point 159.1±23.2 °C
Exact Mass 203.115753
PSA 75.63000
LogP 1.27
Vapour Pressure 0.0±1.6 mmHg at 25°C
Index of Refraction 1.461
InChIKey GDQRNRYMFXDGMS-LURJTMIESA-N
SMILES CC(CNC(=O)OC(C)(C)C)C(=O)O
Storage condition 2-8°C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
RIDADR NONH for all modes of transport
HS Code 2924199090

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  0

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2924199090
Summary 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles2

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

M. Rueping et al.

Helv. Chim. Acta 85 , 2577, (2002)

D. Seebach et al.

Helv. Chim. Acta 81 , 932, (1998)

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

(2S)-3-[(tert-butoxycarbonyl)amino]-2-methylpropanoic acid
(s)-3-(boc-amino)-2-methylpropionic acid
2-Methyl-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)propanoic acid
(s)-n-t-butyloxycarbonyl-3-amino-2-methyl propionic acid
MFCD04040045
3-[(tert-Butoxycarbonyl)amino]-2-methylpropanoic acid
boc-s-ampa-oh
3-tert-Butoxycarbonylamino-2-methyl-propionic acid
boc-s-3-aminoisobutyric acid
(2S)-2-Methyl-3-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)propanoic acid

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: LogP of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is 1.27.
Q: What is the molecular weight of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: Molecular weight of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is 203.236.
Q: What is the InChIKey of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: InChIKey of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is GDQRNRYMFXDGMS-LURJTMIESA-N.
Q: What is the English name of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: The English name of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid.
Q: What is the boiling point of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: Boiling point of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is 339.5±25.0 °C at 760 mmHg.
Q: What are the upstream materials of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: Related upstream materials(CAS) of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid: 168828-18-0;374729-55-2.
Q: What is the CAS number of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: CAS number of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is 190897-47-3.
Q: What is the molecular formula of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: Molecular formula of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is C9H17NO4.
Q: What is the melting point of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: Melting point of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is 88ºC(lit.).
Q: What is the SMILES notation of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid?
A: SMILES notation of (2S)-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid is CC(CNC(=O)OC(C)(C)C)C(=O)O.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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