Khoom Taw Qhia luv luv
Khoom npe: Methyldopa
CAS: 555-30-6 Nr
MF: C10H13TSIS MUAJ4
PIB: 211.21
Khoom Specification
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Qhov tshwm sim |
Dawb los yog daj -dawb crystalline hmoov, los yog tsis muaj xim muaju |
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Kev txheeb xyuas |
IR: infrared absorption spectrum ntawm tus qauv ua raws li tus qauv siv |
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Enantiomeric purity: D-methyldopa Tsawg dua lossis sib npaug li 0.5% |
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Qhov tshwm sim ntawm kev daws teeb meem |
Qhov kev daws teeb meem yog meej thiab tsis muaj xim ntau dua li kev siv tshuaj BY6 los yog B6 |
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Absorbance(1%, 1 cm) |
122.0-137.0 |
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Solubility |
me ntsis soluble nyob rau hauv dej, me ntsis soluble nyob rau hauv ethanol (96%), dawb do soluble nyob rau hauv dilute mineral acids |
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Moisture |
10.0%~13.0% |
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Sulfated tshauv |
Tsawg dua lossis sib npaug li 1.0% |
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Acidity(0.1M NaOH) |
Tsawg dua lossis sib npaug li 0.5 ml / g |
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Yam khoom muaj feem |
impurity A Tsawg dua lossis sib npaug rau 0.15% |
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Impurity B Tsawg dua lossis sib npaug li 0.15% |
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Impurity C Tsawg dua lossis sib npaug li 0.15% |
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Unspecified Impurities Tsawg dua lossis sib npaug rau 0.05% |
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Tag nrho impurities Tsawg dua lossis sib npaug li 0.5% |
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Residual Solvents
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Methanol Tsawg dua los yog sib npaug rau 3000ppm |
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Dichloromethane Tsawg dua los yog sib npaug rau 600ppm |
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Benzene Tsawg dua lossis sib npaug li 2ppm |
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Toluene Tsawg dua lossis sib npaug rau 890ppm |
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Assay |
99.0%~101.0% |
