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490091

Sigma-Aldrich

L-Phenylalanine-1-13C

greener alternative

99 atom % 13C

Synonym(s):

L-Phenylalanine-carboxy-13C

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About This Item

Linear Formula:
C6H5CH2CH(NH2)13CO2H
CAS Number:
Molecular Weight:
166.18
MDL number:
UNSPSC Code:
12352209
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

99 atom % 13C

Quality Level

assay

99% (CP)

form

solid

optical activity

[α]25/D -33.0°, c = 1 in H2O

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Safer Solvents and Auxiliaries
Inherently Safer Chemistry for Accident Prevention
Learn more about the Principles of Green Chemistry.

mp

270-275 °C (dec.) (lit.)

greener alternative category

mass shift

M+1

SMILES string

[H][C@](N)(Cc1ccccc1)[13C](O)=O

InChI

1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1/i9+1

InChI key

COLNVLDHVKWLRT-DMSOPOIOSA-N

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General description

L-Phenylalanine-1-13C is an isotopic analogue of L-phenylalanine.
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product belongs to category of Re-engineered products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses”, “Safer Solvents and Auxiliaries” and “Inherently Safer Chemistry for Accident Prevention”. Click here to view its DOZN scorecard.

Application

L-Phenylalanine-carboxy-13C is used to evaluate the 13CO2 level of phenylalanine hydroxylase activity via 13C phenylalanine breath test.

Packaging

This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Yukimoto Ishii et al.
Surgery, 132(5), 849-856 (2002-12-05)
We have previously reported that by means of a breath test with intravenously administered L-[1-13C] phenylalanine (13Cphe), hepatopathy could be quantitatively evaluated by measuring expiratory 13CO2 levels in a short period. It is known that phenylalanine hydroxylase activity (PAHA) plays

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