?Orexin A是一种神经多肽，在生物体内的主要角色是衡量新陈化谢、生理节奏以及睡眠债等多方面的影响从而决定生物体究竟应该清醒或是睡眠。Orexin A是由33个氨基酸组成的多肽，序列中含有两对二硫键，空间结果很稳定，具有较长的生理半衰期。
| 中文别名 | Orexin A |
| 英文别名 | Oxacyclotridecan-2-one |
| CAS号 | 205640-90-0 |
| SMILES | C1CCCCCC(=O)OCCCCC1CopyCopied |
| Inchi | InChI=1S/C12H22O2/c13-12-10-8-6-4-2-1-3-5-7-9-11-14-12/h1-11H2CopyCopied |
| InchiKey | DQGSJTVMODPFBK-UHFFFAOYSA-NCopyCopied |
| 分子式 Formula | C152H243N47O44S4 |
| 分子量 Molecular Weight | 3561.1 |
| 闪点 FP | 123.9±16.4 ℃ |
| 沸点 Boiling point | 265.2±0.0 ℃ at 760 mmHg |
| 密度 Density | 0.9±0.1 g/cm3 |
| 蒸汽压 Vapor Pressure | 0.0±0.5 mmHg at 25℃ |
| 溶解度Solubility | 生物体外In Vitro:H2OPeptide Solubility and Storage Guidelines:1.Calculate the length of the peptide.2.Calculate the overall charge of the entire peptide according to the following table:ContentsAssign valueAcidic amino acidAsp (D), Glu (E), and the C-terminal -COOH.-1Basic amino acidArg (R), Lys (K), His (H), and the N-terminal -NH2+1Neutral amino acidGly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q)03. |
| 性状 | 白色固体粉末 |
| 储藏条件 Storage conditions | Sealed storage, away from moisture 粉末Powder: -80℃ 2 years年 -20℃ 1 year / In solvent溶液中: -80℃ 6 months月 -20℃ 1 month月 |
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