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商品详细描述
香豆酸 2-吡喃酮-5-羧酸
SigmaC85409 Coumalic acid 现货供应 5g瓶装 380元/瓶
SigmaC85409 Coumalic acid 现货供应 5g瓶装 380元/瓶
| Product Name | Coumalic acid, 97% |
| Product Number | C85409 |
| Product Brand | ALDRICH |
| CAS Number | 500-05-0 |
| Molecular Weight | 140.09 |
| TEST | SPECIFICATION |
| Appearance (Color) | Conforms to Requirements |
| Tan to Light Brown to Orange | |
| Appearance (Form) | Powder |
| Infrared spectrum | Conforms to Structure |
| Purity (Titration by NaOH) | 96.5 - 103.5 % |
| Purity (HPLC) | ≥96.5 % |
| Solubility (Turbidity) | Clear to Slightly Hazy |
| Solubility (Color) | Conforms |
| 5% in 95% Ethanol Yellow, Orange, Orange-Brown, | |
| Very Dark Yellow-Brown or Amber Solution | |
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