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1609373-95-6

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1609373-95-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609373-95-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,3,7 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1609373-95:
(9*1)+(8*6)+(7*0)+(6*9)+(5*3)+(4*7)+(3*3)+(2*9)+(1*5)=186
186 % 10 = 6
So 1609373-95-6 is a valid CAS Registry Number.

1609373-95-6Relevant articles and documents

Synthesis method of nitrogen-containing deuterated methyl compound

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Paragraph 0096; 0115-0120, (2020/04/17)

The invention discloses a synthesis method of a nitrogen-containing deuterated methyl compound. The method comprises the following steps: 2-amino-6-methylpyridine used as an initial raw material reacts with an aprotic solution of N-bromosuccinimide, separation is performed to obtain a compound 1, the compound 1 is subjected to an iodination reaction, palladium catalysis, cyclization, hydroxyl trifluoromethanesulfonic acid anhydridization and a deuteration reaction, and then extraction, organic phase mixing, saturated salt water washing, drying, spin-drying, column separation and other post-treatments to obtain the final product. The raw material has a low cost and is easy to obtain, so compared with other synthesis routes, the synthesis method of the nitrogen-containing deuterated methyl compound has the advantages of obvious reduction of the cost, good separation effect, few impurities, suitableness for large-scale production, and increase of the demethylation synthesis yield; the deuterated product can be effectively obtained through method, the deuteration rate can reach 97%, the production temperature is not higher than 100 DEG C to easily achieve safe production, and the practical value is high.

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