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Substance Name: Cysteinyldopa
RN: 19641-92-0
InChIKey: SXISMOAILJWTID-UHFFFAOYSA-N

Note

  • Found in large amounts in the plasma and urine of patients with malignant melanoma. It is therefore used in the diagnosis of melanoma and for the detection of postoperative metastases. Cysteinyldopa is believed to be formed by the rapid enzymatic hydrolysis of 5-S-glutathionedopa found in melanin-producing cells.

Molecular Formula

  • C12-H16-N2-O6-S

Molecular Weight

  • 316.332
 
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Names and Synonyms

Name of Substance

  • Cysteinyldopa

MeSH Heading

  • Cysteinyldopa

Systematic Name

  • L-Tyrosine, 3-((2-amino-2-carboxyethyl)thio)-5-hydroxy-, (R)-

Registry Numbers

CAS Registry Number

  • 19641-92-0

System Generated Number

  • 0019641920

Structure Descriptors

InChI

1S/C12H16N2O6S/c13-6(11(17)18)1-5-2-8(15)10(16)9(3-5)21-4-7(14)12(19)20/h2-3,6-7,15-16H,1,4,13-14H2,(H,17,18)(H,19,20)

InChIKey

SXISMOAILJWTID-UHFFFAOYSA-N

Smiles

c1(cc(cc(c1O)O)C[C@@H](C(O)=O)N)SC[C@@H](C(O)=O)N