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32384-59-1

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32384-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32384-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,3,8 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 32384-59:
(7*3)+(6*2)+(5*3)+(4*8)+(3*4)+(2*5)+(1*9)=111
111 % 10 = 1
So 32384-59-1 is a valid CAS Registry Number.

32384-59-1Downstream Products

32384-59-1Relevant articles and documents

Preparation method for polyhydroxy carbohydrate compound

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Paragraph 0064-0066; 0067-0069; 0097-0099, (2021/01/24)

The invention discloses a preparation method and post-treatment method for a trimethylsilyl protecting group of a polyhydroxy carbohydrate compound. According to the preparation method, a reaction occurs by taking the polyhydroxy carbohydrate compound as a raw material, dichloromethane, tetrahydrofuran, methylbenzene and methyl tert-butyl ether as solvents and a halogen elementary substance or a halogen-containing trimethyl reagent as a catalyst; then a protecting group compound is added, and the temperature is controlled to be 0-60 DEG C; and finally, an adsorbent is added into a reaction solution, and filtering is performed to obtain the product. The simple-to-operate preparation method for the trimethylsilyl protecting groups on polyhydroxy saccharide and a polyhydroxy natural product has the advantages that the raw and auxiliary materials are few; the cost is low; post-treatment is simple; a way of post-treatment with water is avoided; and the used catalyst is completely removed byadopting the multi-pore activated carbon and multi-pore ion resin, thus guaranteeing the stability increase of the product.

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