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01042

N-Acetyl-L-cysteine methyl ester

≥90% (HPLC)

Synonym(s):

N-acetyl-L-cysteine methyl ester

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About This Item

Empirical Formula (Hill Notation):
C6H11NO3S
CAS Number:
7652-46-2
Molecular Weight:
177.22
NACRES:
NA.22
PubChem Substance ID:
329747190
eCl@ss:
32160406
UNSPSC Code:
12352209
MDL number:
MFCD00237476
Beilstein/REAXYS Number:
1724357
Assay:
≥90% (HPLC)
Form:
powder or crystals

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InChI

1S/C6H11NO3S/c1-4(8)7-5(3-11)6(9)10-2/h5,11H,3H2,1-2H3,(H,7,8)/t5-/m0/s1

SMILES string

COC(=O)[C@H](CS)NC(C)=O

InChI key

QTKAQJWFVXPIFV-YFKPBYRVSA-N

assay

≥90% (HPLC)

form

powder or crystals

optical activity

[α]20/D −24.0±3°, c = 1% in methanol

reaction suitability

reaction type: solution phase peptide synthesis

color

white to faint yellow

mp

77-81 °C

application(s)

peptide synthesis

Quality Level

100

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This Item
1.1242246715401310
N-Acetyl-L-cysteine methyl ester ≥90% (HPLC)

Sigma-Aldrich

01042

N-Acetyl-L-cysteine methyl ester

N-Acetyl-L-cysteine for biochemistry

Millipore

1.12422

N-Acetyl-L-cysteine

N-(tert-Butoxycarbonyl)-L-cysteine methyl ester 97%

Sigma-Aldrich

467154

N-(tert-Butoxycarbonyl)-L-cysteine methyl ester

N-Acetyl-L-methionine ≥98.5% (T)

Sigma-Aldrich

01310

N-Acetyl-L-methionine

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

form

powder or crystals

form

solid

form

liquid

form

powder or crystals

assay

≥90% (HPLC)

assay

-

assay

97%

assay

≥98.5% (T), ≥98.5% (TLC)

color

white to faint yellow

color

-

color

-

color

-

mp

77-81 °C

mp

110.4 °C

mp

-

mp

103-106 °C (lit.)

optical activity

[α]20/D −24.0±3°, c = 1% in methanol

optical activity

-

optical activity

[α]22/D +21°, c = 7.5 in chloroform

optical activity

[α]20/D -21.0±1.0°, c = 1% in H2O

Other Notes

Sulfur transfer agent[1]

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

Eyeshields, Gloves, type N95 (US)

flash_point_f

No data available

flash_point_c

No data available

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK4243
BCCH9162
BCCF9711
BCCD2213
BCCD1270

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A. Gilman et al.
Tetrahedron Letters, 33, 1751-1751 (1993)
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