Melanotan II

Melanotan II

Names
Other names Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2 Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH2 Ac-cyclo[Nle4, Asp5,D-Phe7, Lys10]α-MSH4–10-NH2 N-Acetyl-L-norleucyl-L-α-aspartyl-L-histidyl-D-phenylalanyl-L-arginyl-L-tryptophyl-L-lysinamide (2→7)-lactam PT-14
Identifiers
CAS Number	121062-08-6 N
ChEMBL	ChEMBL430239 Y
ChemSpider	83450 Y
IUPHAR/BPS	1323
MeSH	melanotan-II
PubChem	92432
InChI InChI=1S/C50H69N15O9/c1-3-4-16-36(59-29(2)66)44(69)65-41-25-42(67)55-20-11-10-18-35(43(51)68)60-47(72)39(23-31-26-57-34-17-9-8-15-33(31)34)63-45(70)37(19-12-21-56-50(52)53)61-46(71)38(22-30-13-6-5-7-14-30)62-48(73)40(64-49(41)74)24-32-27-54-28-58-32/h5-9,13-15,17,26-28,35-41,57H,3-4,10-12,16,18-25H2,1-2H3,(H2,51,68)(H,54,58)(H,55,67)(H,59,66)(H,60,72)(H,61,71)(H,62,73)(H,63,70)(H,64,74)(H,65,69)(H4,52,53,56)/t35-,36-,37-,38+,39-,40-,41-/m0/s1 Y Key: JDKLPDJLXHXHNV-MFVUMRCOSA-N Y
Properties
Chemical formula	C50H69N15O9
Molar mass	1024.180
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N  (what is YN ?)
Infobox references

Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂
Ac-cyclo[Nle⁴, Asp⁵,D-Phe⁷, Lys¹⁰]α-MSH_4–10-NH₂
N-Acetyl-L-norleucyl-L-α-aspartyl-L-histidyl-D-phenylalanyl-L-arginyl-L-tryptophyl-L-lysinamide (2→7)-lactam

Melanotan II (ⁱ/mɛˈlænoʊtæn/) is a synthetic analogue of the naturally occurring melanocortin peptide hormone α-melanocyte-stimulating hormone (α-MSH) that in usage has been shown to produce melanogenesis (part of the tanning process that produces darkening pigmentation in the skin) and have aphrodisiac effects in preliminary studies and clinical trials. Developed at the University of Arizona, it is a cyclic lactam analogue of α-MSH with the amino acid sequence Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂.