99% up by HPLC Dexamethasone 9,11-Epoxide/8-DM 24916-90-3

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10 Gram	Negotiable

10 Gram

Negotiable

Dexamethasone 9,11-Epoxide 8-DM Dexamethasone

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(1)ISO 9001:2015 certificated company & SGS audited supplier

(2)30+ years specialized in pharmaceutical /cosmetic raw materials & intermediates

(3) China office of Fischer Chemicals AG (Switzerland)

Product name	Dexamethasone 9,11-epoxide/ 8-DM 16alpha-Methyl Epoxide
CAS No.	24916-90-3
Molecular Formula	C22H28O5
Molecular Weight	372.461
Quality Standard	Purity: 99% up by HPLC; Any Other impurities<0.2%
Appearance	Almost white or white crystalline powder

ANALYSIS	SPECIFICATION	RESULTS
Appearance	Almost white or white crystalline powder	Almost white crystalline powder
Identification(HPLC)	The RT of the sample should be concordant with that of the working Standard	Conforms
Loss on drying	≤0.5%	0.19%
Specific optical rotation	Between +19° to +23°	+20.8°
Related substances by HPLC	Any other impurities ≤0.2%	0.17%
Related substances by HPLC	Purity ≥ 99.0%	99.2%
Assay	≥ 98.5%	99.4%
Residual solvents	Methanol ≤ 3000ppm	117 ppm
	Methylene chloride ≤ 1000ppm	315 ppm
Conclusion	The sample complies with the Specifications.