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Substance Name: Phenylalanyl-leucyl-phenylalanyl-glutaminyl-prolyl-glutaminyl-arginyl-phenylalaninamide
RN: 99566-27-5
InChIKey: HWYCFZUSOBOBIN-FPAYTFQGSA-N

Note

  • Endogenous opioid antagonist octapeptide from bovine brain.

Classification Codes

  • Central Nervous System Agents
  • Narcotic Antagonists
  • Peripheral Nervous System Agents
  • Sensory System Agents

Molecular Formula

  • C54-H76-N14-O10

Molecular Weight

  • 1081.28
 
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Names and Synonyms

Name of Substance

  • Phenylalanyl-leucyl-phenylalanyl-glutaminyl-prolyl-glutaminyl-arginyl-phenylalaninamide

Synonyms

  • F-8-F-Amide
  • F-8-F-NH2
  • F8Famide
  • FF8 (Morphine modulating peptide)
  • Flfqpqrf-NH2
  • Fmrfamide-like octapeptide
  • Morphine modulating neuropeptide
  • Neuropeptide FF
  • NPFF
  • Octapeptide F8FA
  • Phe-leu-phe-gln-pro-gln-arg-phe-NH2

Systematic Name

  • L-Phenylalaninamide, L-phenylalanyl-L-leucyl-L-phenylalanyl-L-glutaminyl-L-prolyl-L-glutaminyl-L-arginyl-

Registry Numbers

CAS Registry Number

  • 99566-27-5

System Generated Number

  • 0099566275

Structure Descriptors

InChI

1S/C54H76N14O10/c1-32(2)28-41(66-47(72)36(55)29-33-14-6-3-7-15-33)50(75)67-42(31-35-18-10-5-11-19-35)51(76)64-39(23-25-45(57)70)53(78)68-27-13-21-43(68)52(77)63-38(22-24-44(56)69)49(74)62-37(20-12-26-61-54(59)60)48(73)65-40(46(58)71)30-34-16-8-4-9-17-34/h3-11,14-19,32,36-43H,12-13,20-31,55H2,1-2H3,(H2,56,69)(H2,57,70)(H2,58,71)(H,62,74)(H,63,77)(H,64,76)(H,65,73)(H,66,72)(H,67,75)(H4,59,60,61)/t36?,37-,38-,39-,40?,41-,42-,43-/m0/s1

InChIKey

HWYCFZUSOBOBIN-FPAYTFQGSA-N

Smiles

N1(C([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](Cc2ccccc2)N)=O)CC(C)C)=O)Cc2ccccc2)=O)CCC(=O)N)=O)[C@H](C(N[C@H](C(N[C@H](C(N[C@@H](C(=O)N)Cc2ccccc2)=O)CCCNC(=N)N)=O)CCC(=O)N)=O)CCC1