叶酸(Folic acid,59-30-3)是蝶酰谷氨酸及其寡谷氨酸缀合物的总称。叶酸作为一种天然的水溶性物质，除了嘌呤和嘧啶的合成外，还参与氨基酸代谢的碳转移反应，并且对造血和红细胞的产生至关重要。
| 中文别名 | 叶酸（Folic acid,59-30-3),维生素 ;叶酸,D-异构体叶酸,DL-异构体叶酸,钙盐（1:1）;{盐形式叶酸:叶酸一钾盐 ;叶酸一钠盐; 叶酸钾盐} 维生素B9; 维生素M; |
| 英文别名 | Folic acid;B9, vitamin ;Folic acid (D)-isomer; Folic acid (DL)-isomer ;Folic acid calcium salt (1:1); Potassium folate; Folic acid monosodium salt ;Potassium folate;Folic acid, sodium salt ;Zeolite Pteroylglutamate ;Vitamin B9 Vitamin M |
| CAS号 | 59-30-3 |
| SMILES | C1=CC(=CC=C1C(=O)NC(CCC(=O)O)C(=O)O)NCC2=CN=C3C(=N2)C(=O)NC(=N3)N |
| Inchi | InChI = 1S / C19H19N7O6 / c20-19-25-15-14（17（30）26-19）23-11（8-22-15）7-21-10-3-1-9（2-4- 10）16（29）24-12（18（31）32）5-6-13（27）28 / h1-4,8,12,21H，5-7H2，（H，24,29）（H， 27,28）（H，31,32）（H3,20,22,25,26,30）/ t12- / m0 / s1 |
| InchiKey | OVBPIULPVIDEAO-LBPRGKRZSA-N |
| 分子式 Formula | C19H19N7O6 |
| 分子量 Molecular Weight | 441.40 |
| 熔点 Melting point | 250℃ |
| 蒸汽压 Vapor Pressure | 6.2X10-20 mm Hg at 25 ℃ |
| 溶解度Solubility | Soluble in sodium hydroxide, acetic acid, phenol, pyridine, alkali hydroxides, carbonates, hot dilute hydrochloric acid and sulfuric acid. Slightly soluble in water, methanol, ethanol and butanol. Insoluble in acetone, chloroform, ether and benzene. |
| 性状 | Folic acid appears as odorless orange-yellow needl |
| 储藏条件 Storage conditions | Store at 4℃,-4℃下存储更优 |
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