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(2R)-2-(phenylmethoxycarbonylamino)hexanoic acid

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Origin: China

Cas No: 15027-14-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details

CAS No.:: 15027-14-2

Other Names:: N-BENZYLOXYCARBONYL-D-NORLEUCINE

MF:: C14H19NO4

Place of Origin:: Shaanxi, China

Type:: Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates

Purity:: 99%min

Brand Name:: DIDAC

Model Number:: DAC170112

Application:: Pharm/Chem Industries

Appearance:: Liquid Form

Structure Identification:: H-NMR&LC-MS

Identification:: Infrared Absorption

Test method:: HPLC-ESI-MS

Content:: 99.0% to 101.0%

Water:: 0.5% Max.

Sulfated ash:: 0.1% Max.

Heavy metals:: 10ppm Max

Total Impurity:: 0.2% Max.

Assay:: HPLC

Disregard limit:: 0.0005%

Packaging&Delivery

Packaging Details: 25kgs/Drum; 200kgs/Drum

Port: Any main port of China

Products Description

Item	Standard	Test Results
Identification	A.H-NMR:Comply with the structure	Complies
		B.LC-MS:Comply with the structure	Complies
		C.The IR spectrum of sample should be identical with that of reference standard;	Complies
		D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.	Complies
Crystallinity	meets the requirements.	Complies
Loss on drying	≤2.0%	0.19%
Heavy metals	≤10 ppm	<10ppm
Water	≤1.0%	0.1%
Sulphated ash	≤0.5%, determined on 1.0 g.	0.009%
Related substances	Unspecified impurities: for each impurity ≤0.10%	<0.10%
Related substances		Total Impurity ≤0.5%	0.18%
Purity	≥99.0%	99.7%
Assay	99.0%~101.0% (anhydrous substance).	99.8%
Storage	Preserve in well-closed, light-resistant and airtight containers.	Complies

Property

CAS No.: 15027-14-2 Formula: C14H19NO4 Molecular Weight: 265.30500

Basic Info

Chemical Name	(2R)-2-(phenylmethoxycarbonylamino)hexanoic acid
Synonyms	Cbz-D-norleucine; N-Benzyloxycarbonyl-D-Norleucine; Z-D-Nle-OH; Z-D-norleucine; D-Z-Nor-Leu-OH;
CAS No.	15027-14-2
Molecular Formula	C14H19NO4
Molecular Weight	265.30500
PSA	75.63000
LogP	2.94710

Properties

Density	1.16g/cm3
Boiling Point	449.2ºC at 760mmHg
Melting Point	56-58ºC
Flash Point	225.5ºC
Refractive Index	1.528
Storage Condition	Store at RT.
Vapor Pressure	7.43E-09mmHg at 25°C

Safety Info

Safety Statements	S22
HS Code	2924299090
WGK Germany	3

Synthesis Route

butyllithium+Benzyl chloroformate→(2S)-2-(phenylmethoxycarbonylamino)hexanoic acid+(2R)-2-(phenylmethoxycarbonylamino)hexanoic acid
2-(phenylmethoxycarbonylamino)hexanoic acid→(2S)-2-(phenylmethoxycarbonylamino)hexanoic acid+(2R)-2-(phenylmethoxycarbonylamino)hexanoic acid
Ethanol+2-(phenylmethoxycarbonylamino)hexanoic acid→(2R)-2-(phenylmethoxycarbonylamino)hexanoic acid+L-Z-Nor-Leu-OEt

Precursor

Ethanol
((Z)-(R)-1-Methyl-hept-2-enylselanyl)-benzene
2-(phenylmethoxycarbonylamino)hexanoic acid
D-Norleucine, N-[(phenylmethoxy)carbonyl]-, (4-nitrophenyl)methyl ester

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