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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3423486 | 1 G | 3180 | |||
| 3423486 | 5 G | 10510 |
产品别名
1260-17-9
胭脂红酸
Carminic acid
Natural Red 4
中性红 4
结构式
基本信息
| Empirical Formula【经验(实验)分子式】 | C22H20O13 |
| Molecular weight | 492.39 |
| Colour Index Number【颜色索引号】 | 75470 |
| Beilstein | 71651 |
| EC number【EC 号】 | 215-023-3 |
| MDL number | MFCD00167028 |
| PubChem Substance ID【PubChem化学物质编号】 | 24853740 |
| NACRES | NA.47 |
| General description【一般描述】 | Carmine is a cochineal product usually furnished as an aluminum and calcium salt of carminic acid. Carminic acid is used for human-medical cell diagnosis and serves the purpose of the histological investigation of sample material of human origin. It is suitable for staining nuclei in histological sections. It is utilized in various staining methods including the procedure for detection of glycogen and mucous substances (Best′s carmine), for nuclear staining, or vital staining. |
| Application【应用】 | Carminic acid (CI 75470) is used in Orth′s lithium carmine technique for nuclear staining, Best′s stain for glycogen, and Southgates′s mucicarmine method. |
产品性质
| Assay【测定】 | ≥90% (HPLC) |
| Quality Level【质量水平】 | 100 |
| form【形式】 | powder |
| optical activity【旋光性】 | [α]20/D +3.1°, c = 1 in H2O |
| mp | 136 ℃ |
| λmax | 495 nm |
| ε (extinction coefficient) | ≥13000 at 222-228 nm in ethanol at 0.03 g/L ≥18000 at 275-281 nm in ethanol at 0.03 g/L |
| application(s) | diagnostic assay manufacturing hematology histology |
| storage temp.【储存温度】 | room temp |
| SMILES string | Cc1c(C(O)=O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12 |
| InChI | 1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1 |
| InChI key | DGQLVPJVXFOQEV-JNVSTXMASA-N |
| packaging【包装】 | 1, 5 g in glass bottle |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 2 |
| Personal Protective Equipment【个人防护装备】 | Eyeshields, Gloves, type N95 (US) |
