China (Mainland)
Sennoside B CAS NO.128-57-4
- Min.Order: 1 Gram
- Payment Terms: T/T
- Product Details
Keywords
- 128-57-4
- Sennoside B
- C42H38O20
Quick Details
- ProName: Sennoside B
- CasNo: 128-57-4
- Molecular Formula: C42H38O20
- Appearance: yellow crystal powder
- Application: CAS: 128-57-4 All our products are fo...
- DeliveryTime: in 3 days after payment.
- PackAge: standard packing
- Port: shanghai, shenzhen, tianjin, etc.
- ProductionCapacity: / Metric Ton/Day
- Purity: ≥98%
- Storage: 2-8°C, keep containers tightly in a dr...
- Transportation: by air, by sea, by Courier, Fedex, DHL...
- LimitNum: 1 Gram
- Plant of Origin: Naturally exised in pod of Cassia angu...
Superiority
High purity, competitive price, warm service. Providing HPLC, MS, NMR, COA.
Sichuan Weikeqi Biological Technology CO., LTD. was established in 2006. We are located in chengdu city, sichuan province, a professional company engaged in researching, developing and selling natural medicine purification separation of traditional Chinese medicine reference standard production.
Mature technology of purification and separation as follow: licorice series, ginseng, Scurfpea fruit series, the series of tripterygium wilfordii, ginkgo series, the series of astragalosides, radix scutellariae, radix bupleuri, spaina date seed series, rhizoma paridis series, fructus schisandrae series, radix et rhizoma rhei, danshen root, thinleaf milkwort root-bark, etc.
Details
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Specification |
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English Name：Sennoside B |
Molecular Formula |
C42H38O20 |
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Molecular Weight |
862.74 |
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C A S |
128-57-4 |
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Purity |
HPLC≥98% |
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Appearance |
Yellow crystal powder |
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Storage |
2-8°C, keep container tightly in a dry place, out of light. |
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Solubility |
Insoluble in water, benzene, diethyl ether, chloroform, slightly soluble in methanol, acetone, dioxane, soluble in sodium bicarbonate solution. |
Specific Rotation |
-100°(c=0.2，70%acetone) |
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Package |
10g 20g 50g 100g, or customized. |
Melting Point |
180～186℃ |
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Source |
Naturally exised in pod of Cassia angutifolia Vahl. |
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Pharmacological Effect |
Purgation. |
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Application |
All our products are for research and lab only. Injecting, eating and other ways are forbidden. |
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Test Condition |
Acetonitrile-0．1％ Trifluoro acetic acid aqueous solution, gradient elution，340nm：test wavelength： (for reference) |
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Company |
Sichuan Weikeqi Biological Technology CO., LTD |
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