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69216-50-8

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69216-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69216-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,2,1 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 69216-50:
(7*6)+(6*9)+(5*2)+(4*1)+(3*6)+(2*5)+(1*0)=138
138 % 10 = 8
So 69216-50-8 is a valid CAS Registry Number.

69216-50-8Relevant articles and documents

Chemical synthesis method of beta-nicotinamide mononucleotide

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Paragraph 0040-0043, (2021/11/10)

The invention provides a chemical synthesis method of beta-nicotinamide mononucleotide. The method comprises the following steps: taking 1, 2, 3, 5-tetrabenzoyloxy-2-C-methyl-beta-D-ribofuranose and nicotinamide as initial raw materials, and sequentially carrying out condensation reaction, benzoyl protecting group removal and phosphorylation reaction, so as to prepare the beta-nicotinamide mononucleotide. The high-purity beta-nicotinamide mononucleotide can be obtained through three steps of reaction (each step of reaction does not need purification) and one step of desalination purification. The method has the advantages of easily available raw materials, short reaction route, simple post-treatment, environmental protection and high total reaction yield, and is suitable for industrial production.

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