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593532

Sigma-Aldrich

Fmoc-Leu-OH-13C6,15N

98 atom % 15N, 98 atom % 13C, 99% (CP)

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Synonym(s):
N-(9-Fluorenylmethoxycarbonyl)-L-Leucine-13C6,15N, L-Leucine-13C6,15N, N-Fmoc, 13C and 15N Labeled Fmoc-Leu
Linear Formula:
(13CH3)213CH13CH213CH(15NH-Fmoc)13CO2H
CAS Number:
1163133-36-5
Molecular Weight:
360.36
MDL number:
MFCD06798058
UNSPSC Code:
12352209
PubChem Substance ID:
24881452
NACRES:
NA.12

isotopic purity

98 atom % 13C
98 atom % 15N

Quality Level

200

Assay

99% (CP)

form

solid

optical activity

[α]20/D -25°, c = 0.5 in DMF

mp

152-156 °C (lit.)

application(s)

peptide synthesis

functional group

Fmoc

mass shift

M+7

SMILES string

[13CH3][13CH]([13CH3])[13CH2][13C@H]([15NH]C(=O)OCC1c2ccccc2-c3ccccc13)[13C](O)=O

InChI

1S/C21H23NO4/c1-13(2)11-19(20(23)24)22-21(25)26-12-18-16-9-5-3-7-14(16)15-8-4-6-10-17(15)18/h3-10,13,18-19H,11-12H2,1-2H3,(H,22,25)(H,23,24)/t19-/m0/s1/i1+1,2+1,11+1,13+1,19+1,20+1,22+1

InChI key

CBPJQFCAFFNICX-HNIVWWTASA-N

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Q Chen et al.
Journal of dairy science, 99(12), 9483-9492 (2016-10-25)
Fraud in milk and dairy products occurs when cow milk is added to sheep and goat milk for economic reasons. No reliable, selective, and sensitive method exists for quantifying the milk percentage of different species. This work reports the development

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