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Diethylstilbestrol CAS NO.6898-97-1
- Min.Order: 1 Kilogram
- Payment Terms: L/C|D/A|D/P|T/T|Westem Union
- Product Details
Keywords
Quick Details
- ProName: Diethylstilbestrol
- CasNo: 6898-97-1
- Molecular Formula: C18H20O2
- Appearance: A white or almost white,crystalline po...
- Application: Supplementary estrogen deficiency symp...
- DeliveryTime: prompt shipment
- PackAge: 25kg/drum
- Port: Hangzhou,Shanghai,China
- ProductionCapacity: /
- Purity: 97.0%~101.0% (HPLC)
- Storage: ool and dry
- Transportation: by sea ,air or express
- LimitNum: 1 Kilogram
Superiority
Appearance： A white or almost white,crystalline powder.practically insoluble in water,freely soluble in alcohol.It dissolves in …
Details
Appearance：
A white or almost white,crystalline powder.practically
insoluble in water,freely soluble in alcohol.It dissolves
in solutions of alkali hydroxides.
Identification：
A: Examined between 230 nm and 450 nm,the irradiated solution of the substance to be examined prepareds prescribed in the assay shows two absorption maxima,at 292 nm and 418nm.
B:Infrared absorption spectrophotometry.
C:Examine the chromatograms obtained in the test for
mono-and dimethyl ethers.
D: A deep-yellow colour develops.
PH： Neutral reaction Neutral reaction
4,4'-Dihydroxystilbene and related ethers：The absorbance of the solution measured at 325 nm is not greater than 0.50%.
Mono-and dimethyl ethers：
Mono ethers < 0.50%
Dimethyl ethers < 0.50%
Melting point ：It melts at about 172.0℃
Loss on drying ：≤0.5%
Sulphated ash ：≤0.05%
Assay ：97.0%~101.0% (HPLC)
