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Item
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Specifications
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Description
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White to offwhite crystalline powder
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Identification
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IR Spectrum
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Water
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0.5% max
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Residue on ignition
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0.5% max
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Limit of Prostaglandin A1,B1 and 13,14-dihydro Prostaglandin E1
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1)Prostaglandin A1: 1.5% max 2)Prostaglandin B1:0.1% max
3)Sun of Prostaglandin B1 and 13,14-dihydro Prostaglandin E1:0.5% max
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Limit of foreign Prostaglandins
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1)single foreign Prostaglandin : 0.9% max
2)total foreign Prostaglandins:2.0% max
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Limit of chromium
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20 ppm max
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Limit of rhodium
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20 ppm max
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Assay
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95.0% -105.0%
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Residual solvents
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Ethyl acetate : 4000ppm max
Hexane: 200 ppm max
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Specifications︰
Prostaglandin E1(PGE1)
(11-alpha,13E,15S)-11,15-Dihydroxy-9-oxoprost-13-enoic acid
CAS-No: 745-65-3
