湖南艾臣生物科技有限公司
主营产品: |

湖南艾臣生物科技有限公司
主营产品: |
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参考价 | 面议 |
Product name: Doxycycline HCL
1.Formular: C22H25CIN2O8
2.CAS #: 10592-13-9
3.Purity: 99% min
CERTIFICATE OF ANALYSIS
DESCRIPTION OF GOODS | Doxycycline Hyclate | |
BATCH NO. | K9-020 | |
MANUFACTURING DATE | FEB.03.2009 | |
EXPIRY DATE | Jan.2013 | |
QUANTITY | 1001kgs | |
COUNTRY OF ORIGIN | CHINA | |
NAME OF INDEX | INDEX | ANALYSIS VALUE |
Characteristics | A yellow crystalline powder | Comply |
Solubility | Complies to PH.Eur.6.0 | Comply |
Identification | A.B.C.Positive reaction | Comply |
p.h | 2.0-3.0 | 2.4 |
Absorbance (349 nm) | 300-335 | 321 |
Specific optical rotation | -105~-120° | -116° |
Heavy metals | ≤50ppm | <50ppm |
Light—absorbing impurities(490nm) | ≤0.07 | 0.02 |
Impurity A Impurity C Impurity D Impurity E Impurity F Any other impurity | ≤2.0% ≤0.5% ≤0.5% ≤0.5% ≤0.5% ≤0.5% ≤0.10 | Comply |
Ethanol | 4.3- 6.0% | 4.6% |
Sulphated ash | ≤0.4% | 0.03% |
Water | 1.4-2.8% | 2.0% |
Microbial limit | Total aerobic microbial count≤1000CFU/g | Comply |
Assay: 95.0%--102.0% of Doxycycline hydrochloride (C22H25CIN2O8). calculated with reference to the anhydrous, ethanol-free substance. | 97.5% | |
CONCLUSION: Complies with Ph.Eur.6.0 . (NO.RO-CEP 2001-038-Rev01) |
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