FMOC-ASN-ONP

Modify Date: 2026-07-27 10:45:22

FMOC-ASN-ONP Structure
FMOC-ASN-ONP structure
Common Name FMOC-ASN-ONP
CAS Number 71989-17-8 Molecular Weight 475.45000
Density 1.387g/cm3 Boiling Point 779ºC at 760 mmHg
Molecular Formula C25H21N3O7 Melting Point 184-188ºC
MSDS N/A Flash Point 424.9ºC

 Names

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

Name (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate
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 1.387g/cm3
Boiling Point 779ºC at 760 mmHg
Melting Point 184-188ºC
Molecular Formula C25H21N3O7
Molecular Weight 475.45000
Flash Point 424.9ºC
Exact Mass 475.13800
PSA 153.54000
LogP 4.89730
Index of Refraction 1.639
InChIKey MPNFRQBESOZRJG-QFIPXVFZSA-N
SMILES NC(=O)CC(NC(=O)OCC1c2ccccc2-c2ccccc21)C(=O)Oc1ccc([N+](=O)[O-])cc1

 Safety Information

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

Safety Phrases 8

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~80%

FMOC-ASN-ONP Structure

FMOC-ASN-ONP

CAS#:71989-17-8

Learn More
Literature: Bodanszky, Agnes; Bodanszky, Miklos; Chandramouli, Nagarajan; Kwei, Joseph Z.; Martinez, Jean; Tolle, John C. Journal of Organic Chemistry, 1980 , vol. 45, # 1 p. 72 - 76

 Precursor & DownStream

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

Precursor  2

DownStream  0

 Synonyms

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

N2-[(9H-Fluoren-9-Ylmethoxy)Carbonyl]-L-Asparagine 4-Nitrophenyl Ester
(S)-4-Nitrophenyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-amino-4-oxobutanoate
Fmoc-Asn-ONp

 FMOC-ASN-ONP | FAQ

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

Q: What English synonyms does (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate have?
A: English synonyms of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate: N2-[(9H-Fluoren-9-Ylmethoxy)Carbonyl]-L-Asparagine 4-Nitrophenyl Ester, (S)-4-Nitrophenyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-amino-4-oxobutanoate, Fmoc-Asn-ONp.
Q: What is the English name of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: The English name of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate is (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate.
Q: What is the safety information for (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: Safety information for (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate: 8.
Q: What is the InChIKey of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: InChIKey of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate is MPNFRQBESOZRJG-QFIPXVFZSA-N.
Q: What is the polar surface area (PSA) of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: Polar surface area (PSA) of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate is 153.54000.
Q: What is the LogP of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: LogP of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate is 4.89730.
Q: What are the upstream materials of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: Related upstream materials(CAS) of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate: 100-02-7;71989-16-7.
Q: What is the CAS number of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: CAS number of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate is 71989-17-8.
Q: What is the molecular formula of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: Molecular formula of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate is C25H21N3O7.
Q: What is the melting point of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate?
A: Melting point of (4-nitrophenyl) (2S)-4-amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-oxobutanoate is 184-188ºC.

 FMOC-ASN-ONPfactory

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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