Customization: | Available |
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CAS No.: | 85622-93-1 |
Formula: | C6h6n6o2 |
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Temozolomide is the first orally effective imidazototetrazine antitumor drug, which belongs to the second generation of alkylating agents with anti-tumor activity, which does not require intrahepatic metabolic activation after oral administration, is characterized by easy penetration of the blood-brain barrier, good tolerance and no superimposed toxicity with other drugs, and has synergistic effect with radiotherapy, and is suitable for malignant gliomas that recur after conventional treatment, such as glioblastoma multiforme or degenerative astrocytoma, and is also the first-line drug for the treatment of metastatic melanoma. Temozolomide was synthesized by Cancer Research in the United Kingdom and later transferred to Schering-Plough in the United States for development. The drug is different from existing antitumor drugs, it has a novel chemical structure, it is a derivative of imidazototetrazine, temozolomide does not act directly, at physiological pH, it is rapidly converted into the active compound MTIC [5-(3-methyltriazole-1-)imidazol-4-amide] by the non-enzymatic path Chemicalbook pathway. It is thought that the cytotoxicity of MTIC is mainly due to its DNA alkylation (methylation), which occurs mainly at the O6 and N7 positions of guanine. Temozolomide has been confirmed to be effective for some of the most common glioblastomas by basic and clinical studies, and was approved for marketing in the European Union and the United States in 1999, among which the approved indications in the United States are the second-line treatment of glioblastoma such as glioblastoma multiforme and degenerative astrocytoma, and the approved indication in the countries of the European Union is glioblastoma multiforme that still develops or recurs after conventional treatment. The role of temozolomide in glioblastoma multiforme has been more recognized in Europe.
Tests |
SPECIFICATIONS
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RESULTS
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Appearance |
Light pink to white powder
|
Light pink powder
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Identification |
IR/HPLC
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Complies
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Residual Solvent
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Ethyl acetate ≤0.5%
|
0.18%
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DMSO ≤0.5%
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0.19%
|
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Ethanol ≤0.5%
|
0.08%
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Related substances
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2-Azahypoxanthine≤0.1% |
0.007%
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Temozolomide related compound A ≤0.1% |
0.001%
|
|
Temozolomide acid≤0.1% |
0.007%
|
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Dacarbazine related compound A ≤0.1% |
0.005%
|
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Cyanotemozolomide ≤0.1% |
0.003%
|
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Max unknown single impurity ≤0.1% |
0.007%
|
|
Total impurities ≤1.0% |
0.03%
|
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Microbial limit
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Bacterial counts ≤1000/g |
500/g
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Mycetes and yeast ≤100/g |
50/g
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E.Coli Not detected |
Not detected
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|
Loss on drying |
≤0.5%
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0.29%
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Moisture |
≤0.4%
|
0.22%
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Residue on ignition |
≤0.1%
|
0.06%
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Heavy metals |
≤10 ppm
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<10 ppm
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Assay |
98.0%~ 102.0%
|
99.3%
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Conclusion |
The results conform to the Enterprise standard.
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Jinan Hongkongda Chemical Co., Ltd. is a technology driven enterprise focused on chemical raw materials and advanced pharmaceutical intermediates. The company is headquartered in Jinan, as the capital of Shandong Province, a major pharmaceutical province in China, with strong resource advantages. The company has a complete production management system, and the corresponding production base has more than 150 sets of reaction equipment, covering various special reaction production facilities such as high temperature, ultra-low temperature, and hydrogenation. Equipped with an experienced R&D team and established long-term stable cooperative relationships with numerous institutions, in order to continuously innovate and optimize processes. In order to optimize global resources, protect the environment, and make up for the shortage of some chemical intermediates in China, the company has established a cooperation center in India to develop domestically scarce varieties. Over the years, it has established stable cooperative relationships with multiple Indian enterprises and solved the problem of some product supply shortages.
1. The product quality can be guaranteed, and the quality is guaranteed
2. There is a one-on-one sales manager service that can provide technical support
3. Provide quality inspection documents, physical images, liquid chromatography, testing methods, and competitive prices
4. The company has an advantage in inventory and spot goods, and can provide bulk goods at kilogram prices and tonnage
5. Contract making - Contract signing by both parties - Corporate payment - Issuance of 13% value-added tax invoice - Express package shipping - Timely delivery - Real time follow-up of goods - After sales consultation
6. Protecting the legitimate rights and interests of customers is our mission, and quality and service are our unchanging pursuits
7. Long term cooperation with scientific research units in universities such as Beijing, Shanghai, Shenzhen, Xiamen, Guangzhou, Tianjin, Anhui, Chongqing, Changsha, Shenyang, etc
8. Exporting to North America, Central/South America, Western Europe, Eastern Europe, Oceania, Africa and other regions
Q1:Are you trading company or manufacturer?
A1:We are chemical factory in China. So we can provide wholesale price.
Q2:How can I get the samples?
A2:We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample fee.
Q3:Is there a discount?
A3:Different quantity has different discount.
Q4:Can you provide relevant documents?
A4:Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.
Q5:Do you accept third party inspection?
A5:Yes.we do.
Q6:How long is your delivery time?
A6:Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.
Q7:What's your terms of payment?
A7:We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.
Q8:How do you treat quality complaint ?
A8:First of all, our quality control will reduce the quality problem to near zero. If there is a quality problem caused by us, we will send you free goods for replacement or refund your loss.