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Oligopeptide-68
Oligopeptide-68 is a synthetic skin-brightening peptide that is derived from a protein called tyrosinase. It is known for its ability to inhibit melanin synthesis and reduce pigmentation in the skin. This peptide works by mimicking the binding of TGF-β to cell surface receptors, which leads to the inhibition of MITF intramolecular channels, thereby reducing induced and hereditary pigmentation. It is effective in reducing the formation of melanin-related molecules such as MITF, TRP-1, TRP-2, and tyrosinase, as well as inhibiting the activity of tyrosinase and melanin synthesis. Oligopeptide-68 can improve skin brightness, reduce the appearance of dark spots, and provide a more even skin tone. It is also recognized for its anti-inflammatory and antioxidant properties, which help it play a role in whitening and anti-aging skin care products. Synonyms: Glycyl-L-arginylglycyl-L-α-aspartyl-L-tyrosyl-L-isoleucyl-L-tryptophyl-L-seryl-L-leucyl-L-α-aspartyl-L-threonyl-L-glutamine; Oligopeptide 68; H-Gly-Arg-Gly-Asp-Tyr-Ile-Trp-Ser-Leu-Asp-Thr-Gln-OH; H-GRGDYIWSLDTQ-OH; Gly-Arg-Gly-Asp-Tyr-Ile-Trp-Ser-Leu-Asp-Thr-Gln. Grade: ≥95%. CAS No. 1206525-47-4. Molecular formula: C62H91N17O21. Mole weight: 1410.49.
Oligopeptide-68 acetate
Oligopeptide-68 acetate is a whitening ingredient that mimics the binding of TGF-β to cell surface receptors to reduce induced and hereditary pigmentation by inhibiting MITF intramolecular channels to achieve whitening and brightening effects. Synonyms: H-Gly-Arg-Gly-Asp-Tyr-Ile-Trp-Ser-Leu-Asp-Thr-Gln-OH.CH3CO2H; Glycyl-L-arginylglycyl-L-α-aspartyl-L-tyrosyl-L-isoleucyl-L-tryptophyl-L-seryl-L-leucyl-L-α-aspartyl-L-threonyl-L-glutamine acetic acid; Oligopeptide 68 acetate. Grade: ≥95%. CAS No. 2763584-75-2. Molecular formula: C64H95N17O23. Mole weight: 1470.54.
Oligopeptide-71
Oligopeptide-71 is recognized as a hair growth-stimulating peptide used in cosmetic applications. It is known for its ability to activate hair follicle development, which can be beneficial for promoting hair growth and potentially treating hair loss conditions. This peptide is a synthetic biomimetic of the natural peptide found in the skin of the Litoria Aurea frog, which is part of the frog's natural defense against bacterial infections. Oligopeptide-71 is a synthetic peptide that contains 12 amino acids, consisting of alanine, arginine, aspartic acid, histidine, leucine, proline, threonine, and tryptophan. In the context of cosmetics, Oligopeptide-71 is valued for its potential to enhance hair density and strength, making it a key ingredient in hair care products aimed at improving hair health and growth. Synonyms: CG-Edrin; Ectodysplasin; H-Leu-Leu-Ala-Asp-Thr-Thr-His-His-Arg-Pro-Trp-Thr-OH; H-LLADTTHHRPWT-OH; L-Leucyl-L-leucyl-L-alanyl-L-α-aspartyl-L-threonyl-L-threonyl-L-histidyl-L-histidyl-L-arginyl-L-prolyl-L-tryptophyl-L-threonine; Leu-Leu-Ala-Asp-Thr-Thr-His-His-Arg-Pro-Trp-Thr. Grade: ≥95%. CAS No. 506412-02-8. Molecular formula: C65H98N20O18. Mole weight: 1447.62.
Oligopeptide-76
Oligopeptide-76 is a synthetic 13-amino acid peptide consisting of alanine, aspartate, glutamic acid, glycine, isoleucine, leucine, lysine, phenylalanine and serine. It mimics the natural Aurein 1.2 peptide from the Litoria Aurea frog and is known for its strong antimicrobial ability. It is effectively utilized in skincare for anti-acne and anti-microbial purposes, targeting bacteria that cause acne and promoting skin health, utilizing its powerful anti-infection properties. Grade: ≥95%.
Oligoventin is an antimicrobial peptide found in Phoneutria nigriventer (Brazilian armed spider, Ctenus nigriventer), and has antibacterial activity. Synonyms: Gln-Pro-Phe-Ser-Leu-Glu-Arg-Trp. Grade: ≥96%. Molecular formula: C50H71N13O13. Mole weight: 1062.19.
O-Linked GlcNAc transferase substrate
A peptide substrate of O-linked GlcNAc transferase (OGT), a part of a glucose-responsive pathway previously implicated in the pathogenesis of diabetes mellitus. Synonyms: H-Lys-Lys-Lys-Tyr-Pro-Gly-Gly-Ser-Thr-Pro-Val-Ser-Ser-Ala-Asn-Met-Met-OH; L-lysyl-L-lysyl-L-lysyl-L-tyrosyl-L-prolyl-glycyl-glycyl-L-seryl-L-threonyl-L-prolyl-L-valyl-L-seryl-L-seryl-L-alanyl-L-asparagyl-L-methionyl-L-methionine. CAS No. 954381-93-2. Molecular formula: C76H127N21O24S2. Mole weight: 1783.1.
O-Methyl-L-Prolinol is a proline-based organocatalyst that has been investigated for several powerful asymmetric transformations, such as the Aldol, Mannich, and Michael reactions. Synonyms: L-Prolinol methyl ether; (S)-2-Methoxymethyl-pyrrolidine. Grade: ≥ 99% (Chiral purity). CAS No. 63126-47-6. Molecular formula: C6H13NO. Mole weight: 115.14.
Omwaprin is an antimicrobial peptide found in venom, Oxyuranus microlepidotus (Inland taipan). It has activity against gram-positive bacteria. Synonyms: Omwaprin-a; Oxywaprin; Oxywaprin-a. Grade: >98%. Molecular formula: C234H372N72O72S8. Mole weight: 5602.51.
Oncocin
Oncocin is a variant of the 2 kDa Oncopeltus antibacterial peptide 4, which was originally isolated from oncopeltus fasciatus (milkweed bug). It is an antibacterial peptide against gram-negative human pathogens. Synonyms: Val-Asp-Lys-Pro-Pro-Tyr-Leu-Pro-Arg-Pro-Arg-Pro-Pro-Arg-Arg-Ile-Tyr-Asn-Arg-NH2. Grade: >98%. Molecular formula: C109H177N37O24. Mole weight: 2389.85.
Oncopeltus antibacterial peptide 4
Oncopeltus antibacterial peptide 4 is an antimicrobial peptide found in Oncopeltus fasciatus (milkweed bug), and has antibacterial activity. Synonyms: Oncopeltus antibacte-rial peptide 4; Val-Asp-Lys-Pro-Pro-Tyr-Leu-Pro-Arg-Pro-Pro-Pro-Pro-Arg-Arg-Ile-Tyr-Asn-Asn-Arg-OH. Grade: ≥96%. Molecular formula: C112H177N35O27. Mole weight: 2445.86.
Oncorhyncin I
Oncorhyncin-1 is an antimicrobial peptide found in Oncorhynchus mykiss (rainbow trout), and has antibacterial activity. Synonyms: Ser-Lys-Gly-Lys-Lys-Ala-Asn-Lys-Asp-Val-Glu-Leu-Ala-Arg-Gly; Oncorhyncin-1. Grade: ≥95%. Molecular formula: C67H121N23O22. Mole weight: 1600.84.
Oncorhyncin III
Oncorhyncin III is an antimicrobial peptide comprising residues 1-66 of Non-histone chromosomal protein H6. It is isolated from Rainbow trout skin secretions, Oncorhynchus mykiss, and has antibacterial activity. Synonyms: Oncorhyncin 3. Grade: >98%. Mole weight: 6671.00.
Coupling reagent for synthesis of peptide and the formation of other amides. Synonyms: N,N,N',N'-Tetramethyl-O-(N-succinimidyl)uronium hexafluorophosphate; HSTU; O-(N-Succinimidyl)-1,1,3,3-tetramethyluronium hexafluorophosphate; AmbotzRL-1039; hexafluorophosphate. Grade: ≥ 99.5% (HPLC). CAS No. 265651-18-1. Molecular formula: C9H16F6N3O3P. Mole weight: 359.21.
Used in alternative pathways for biosynthesis of cysteine selenocysteine (Sec); Normal metabolites in human biofluids are esters of serine and phosphoric acid. Synonyms: DL-Ser(H2PO3)-OH; DL-Serine monophosphoric acid. Grade: ≥ 98% (Titration). CAS No. 17885-08-4. Molecular formula: C3H8NO6P. Mole weight: 185.10.
Used in the study of tyrosine-phosphorylation. Synonyms: L-Tyr(H2PO3)-OH. Grade: ≥ 99% (TLC). CAS No. 21820-51-9. Molecular formula: C9H12NO6P. Mole weight: 261.17.
Ophthalmic Acid
Ophthalmic Acid is an analogue of glutathione isolated from the lens. Synonyms: gamma-Glu-alpha-aminobutyryl-gly; H-Gamma-Glu-Abu-Gly-OH; L-gamma-Glutamyl-L-alpha-aminobutyrylglycine; N5-((S)-1-((carboxymethyl)amino)-1-oxobutan-2-yl)-L-glutamine. CAS No. 495-27-2. Molecular formula: C11H19N3O6. Mole weight: 289.29.
Opistoporin-1
Opistoporin-1 is an antimicrobial peptide found in Opistophthalmus carinatus (African yellow leg scorpion), and has antibacterial and antifungal activity. Synonyms: Opistoporin1; OP1; Non-disulfide-bridged peptide 3.5; NDBP-3.5; Non-disulfide-bridged peptide 2.4; NDBP-2.4; Opistoporin-3; OP3. Grade: >85%. Molecular formula: C220H357N59O63. Mole weight: 4836.61.
Opistoporin-2
Opistoporin-2 is an antimicrobial peptide found in Opistophthalmus carinatus (African yellow leg scorpion), and has antibacterial and antifungal activity. Synonyms: Opistoporin2; OP2; Non-disulfide-bridged peptide 3.6; NDBP-3.6. Grade: >85%. Molecular formula: C223H355N59O63. Mole weight: 4870.63.
Opistoporin-4
Opistoporin-4 is an antimicrobial peptide found in Opistophthalmus carinatus (African yellow leg scorpion), and has antibacterial and antifungal activity. Synonyms: Opistoporin4; OP4; Non-disulfide-bridged peptides 3.7; NDBP-3.7. Grade: >85%. Molecular formula: C217H356N60O62. Mole weight: 4797.58.
Oreoch-1
Oreoch-1 is an antimicrobial peptide found in Oreochromis niloticus, and has antibacterial and antifungal activity. Synonyms: Phe-Ile-His-His-Ile-Ile-Gly-Gly-Leu-Phe-Ser-Val-Gly-Lys-His-Ile-His-Gly-Leu-Ile-His-Gly-His; oreochromicin-1; Oreochromicin I. Grade: ≥95%.
Oreoch-3
Oreoch-3 is an antimicrobial peptide found in Oreochromis niloticus (Nile tilapia), and has antibacterial and antifungal activity. Synonyms: oreochromicin-3; Oreochromicin III. Grade: >98%.
Orexin A (1-15) (free acid)
Orexin A (1-15) (free acid) is the N-terminal segment of orexin A and contains two disulfide bonds. Synonyms: Hypocretin-1 (1-15) (Human, Mouse, Rat); Pyr-Pro-Leu-Pro-Asp-Cys-Cys-Arg-Gln-Lys-Thr-Cys-Ser-Cys-Arg-OH (Disulfide bridge: Cys6-Cys12, Cys7-Cys14). Grade: ≥95%. CAS No. 2022956-49-4. Molecular formula: C67H109N23O22S4. Mole weight: 1717.01.
Orexin A (16-33)
Orexin A (16-33) lacks the disulfide bridge of orexin A, but retains part of the full-length OXA/OXB activity. It has been used in place of intact neuropeptides. Synonyms: Hypocretin-1 (16-33) (Human, Mouse Rat); H-Leu-Tyr-Glu-Leu-Leu-His-Gly-Ala-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Leu-NH2; L-leucyl-L-tyrosyl-L-alpha-glutamyl-L-leucyl-L-leucyl-L-histidyl-glycyl-L-alanyl-glycyl-L-asparagyl-L-histidyl-L-alanyl-L-alanyl-glycyl-L-isoleucyl-L-leucyl-L-threonyl-L-leucinamide; OXA 16-33. Grade: ≥95%. CAS No. 1374694-00-4. Molecular formula: C85H136N24O23. Mole weight: 1862.16.
Orexin B, human TFA
An orexin receptors agonist. It can stimulate feeding following central administration. Synonyms: Human orexin B (TFA); Arg-Ser-Gly-Pro-Pro-Gly-Leu-Gln-Gly-Arg-Leu-Gln-Arg-Leu-Leu-Gln-Ala-Ser-Gly-Asn-His-Ala-Ala-Gly-Ile-Leu-Thr-Met-NH2.TFA; L-arginyl-L-seryl-glycyl-L-prolyl-L-prolyl-glycyl-L-leucyl-L-glutaminyl-glycyl-L-arginyl-L-leucyl-L-glutaminyl-L-arginyl-L-leucyl-L-leucyl-L-glutaminyl-L-alanyl-L-seryl-glycyl-L-asparagyl-L-histidyl-L-alanyl-L-alanyl-glycyl-L-isoleucyl-L-leucyl-L-threonyl-L-methioninamide trifluoroacetic acid. Grade: ≥98%. Molecular formula: C123H212N44O35S.C2HF3O2. Mole weight: 3013.36.
Orphanin FQ (1-11) acetate, the peptide fragment containing amino acids 1-11 of Nociceptin, is a potent agonist of the ORL1/KOR-3 receptor with a Ki of 55 nM. Orphanin FQ is a NOP agonist with analgesic effects. Synonyms: H-Phe-Gly-Gly-Phe-Thr-Gly-Ala-Arg-Lys-Ser-Ala-OH.CH3CO2H; L-phenylalanyl-glycyl-glycyl-L-phenylalanyl-L-threonyl-glycyl-L-alanyl-L-arginyl-L-lysyl-L-seryl-L-alanine acetate; 1-11-Orphanin FQ (pig) acetate; 1-11-Orphanin FQ (swine) acetate. Grade: ≥95%. Molecular formula: C51H79N15O16. Mole weight: 1158.26.
Osmin
Osmin is an antimicrobial peptide found in Osmia rufa (Red mason bee), and has antibacterial and antifungal activity. Synonyms: Gly-Phe-Leu-Ser-Ala-Leu-Lys-Lys-Tyr-Leu-Pro-Ile-Val-Leu-Lys-His-Val. Grade: ≥97%. Mole weight: 1924.20.
OGP is a short, naturally occurring 14-mer growth factor peptide found in serum at μM concentration. Synonyms: H-Ala-Leu-Lys-Arg-Gln-Gly-Arg-Thr-Leu-Tyr-Gly-Phe-Gly-Gly-OH; L-alanyl-L-leucyl-L-lysyl-L-arginyl-L-glutaminyl-glycyl-L-arginyl-L-threonyl-L-leucyl-L-tyrosyl-glycyl-L-phenylalanyl-glycyl-glycine. Grade: 95%. CAS No. 132996-61-3. Molecular formula: C68H110N22O18. Mole weight: 1523.74.
Osteogenic Growth Peptide, OGP acetate
Osteogenic Growth Peptide, OGP acetate is a short, naturally occurring 14-mer growth factor peptide found in serum at μM concentrations. Osteogenic growth peptide OGP is a key factor in the mechanism of the systemic osteogenic response to local bone marrow injury. Molecular formula: C70H114N22O20. Mole weight: 1583.82.
Ostricacin-1 is an antimicrobial peptide found in Struthio camelus (Common ostrich), and has antibacterial activity. Synonyms: Osp-1; Beta-defensin 2. Grade: >85%. Molecular formula: C182H261N51O41S6. Mole weight: 4011.81.
Ostricacin-2
Ostricacin-2 is an antimicrobial peptide found in Struthio camelus (Common ostrich), and has antibacterial and antifungal activity. Synonyms: Osp-2; Beta-defensin 1. Grade: >85%. Molecular formula: C212H307N55O54S6. Mole weight: 4682.51.
Ostricacin-3
Ostricacin-3 is an antimicrobial peptide found in Struthio camelus (Common ostrich), and has antibacterial activity. Synonyms: Osp-3; Beta-defensin 7. Grade: >85%. Molecular formula: C202H312N66O51S6. Mole weight: 4673.52.
Ostricacin-4
Ostricacin-4 is an antimicrobial peptide found in Struthio camelus (Common ostrich), and has antibacterial activity. Synonyms: Osp-4; Beta-defensin 8. Grade: >85%. Molecular formula: C205H317N65O54S6. Mole weight: 4748.58.