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709638

Sigma-Aldrich

cis-Urocanic acid-1,2,3-13C3

99 atom % 13C, 98% (CP)

Synonym(s):

cis-UCA-13C3, cis-3-(1H-imidazol-4-yl)-2-propenoic acid-13C3

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About This Item

Empirical Formula (Hill Notation):
13C3C3H6N2O2
CAS Number:
1173097-34-1
Molecular Weight:
141.10
MDL number:
MFCD12546081
UNSPSC Code:
12352106
PubChem Substance ID:
329762883
NACRES:
NA.24

isotopic purity

99 atom % 13C

Assay

98% (CP)

form

solid

technique(s)

mass spectrometry (MS): suitable

mp

226-228 °C

mass shift

M+3

storage temp.

−20°C

SMILES string

O[13C](=O)\[13CH]=[13CH]/c1c[nH]cn1

InChI

1S/C6H6N2O2/c9-6(10)2-1-5-3-7-4-8-5/h1-4H,(H,7,8)(H,9,10)/b2-1-/i1+1,2+1,6+1

InChI key

LOIYMIARKYCTBW-BOHCNZJRSA-N

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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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