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| 网站标题： | chemBlink Database of Chemicals from Around the World |
| 网站简介： | chemBlink provides a free database of chemicals from around the World, searchable for product identifications, CAS numbers, molecular formulas and structures, chemical and physical properties, safety data, suppliers and their web addresses. |
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| 网站标题： | WIRIS | Educational mathematics |
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| chemblink.com | |
| 网站标题： | chemBlink Database of Chemicals from Around the World |
| 网站简介： | chemBlink provides a free database of chemicals from around the World, searchable for product identifications, CAS numbers, molecular formulas and structures, chemical and physical properties, safety data, suppliers and their web addresses. |
| 关键字： | chemBlink database chemicals World products CAS formulas structures properties safety data suppliers web |