Guanosine 99% For Biochemistry
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CAS :
118-00-3
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REF :
25381
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| QUANTITY |
PRICE |
ENQUIRY |
|
10 gm |
Rs
740.00
|
|
|
25 gm |
Rs
1700.00
|
|
- Formula: C₁₀H₁₃N₅O₅
- CAS: 118-00-3
- EC No.: 204-227-8
- M (Molar Mass): 283.24 g/mol
- mp (Melting Point): 239°C (decomposes)
- Specific Rotation: [α]²⁰D -68° to -72° (c=2 in 0.1N NaOH)
- λmax: 253 nm (pH 7)
- Solubility: Slightly soluble in water; soluble in acids and bases
- Assay (HPLC): ≥ 99.0%
- Appearance: White crystalline powder
- Identification (UV): A250/A260 = 0.95-1.05, A280/A260 = 0.63-0.71
- Specific Rotation: [α]²⁰D = -70° ± 2° (c=2 in 0.1N NaOH)
- Loss on Drying: ≤ 0.5%
- Sulfated Ash: ≤ 0.1%
- Heavy Metals (as Pb): ≤ 20 ppm
- pH (saturated solution): 5.5-7.5
- Related Nucleosides (HPLC): ≤ 0.5%
- Nitrogen Content: 24.5-25.5%
- Ribose Content: 37.5-39.5%
- Hazard: Not classified as hazardous.
- Safety: For laboratory use only.
- Storage: Store in tightly closed container at 2-8°C. Protect from moisture.