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2328091-01-4

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2328091-01-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2328091-01-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 2,3,2,8,0,9 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2328091-01:
(9*2)+(8*3)+(7*2)+(6*8)+(5*0)+(4*9)+(3*1)+(2*0)+(1*1)=144
144 % 10 = 4
So 2328091-01-4 is a valid CAS Registry Number.

2328091-01-4Relevant articles and documents

Preparation method of Remdesivir

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Paragraph 0039; 0041-0043, (2020/06/16)

The invention relates to a preparation method of Remdesivir. 4-amino-7-bromopyrrolo [2, 1-f][1, 2, 4] triazine and (3alpha R, 6R, 6alpha R)-6-(benzyloxymethyl)-2, 2-dimethyl dihydrofuran [3, 4-d] [1,3] dioxo-4 (4alpha H)-one are taken as a raw material, amino protection reaction, coupling reaction, substitution reaction, debenzylation reaction, resolution, alcoholysis reaction, amidation reaction, deprotection reaction and resolution nine reaction steps are carried out so as to synthesize Remdesivir at a high yield. The preparation method of Remdesivir provided by the invention is a preparation method which is high in yield, low in cost, easy to operate and suitable for industrialization.

5'-Deoxidation-5'-isopropyl-substituted-amino nucleoside compound and preparing method and application thereof

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Paragraph 0201-0205, (2019/05/28)

The invention discloses a 5'-deoxidation-5'-isopropyl-substituted-amino nucleoside compound shown in a formula 7, a preparing method of the compound shown in the formula 7 and application of the compound shown in the formula 7 to preparing a 5'-deoxidation-5'-polysubstitution amino nucleoside compound 1 as a midbody. The formula is defined in the description.

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