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263547-06-4

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263547-06-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263547-06-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,5,4 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 263547-06:
(8*2)+(7*6)+(6*3)+(5*5)+(4*4)+(3*7)+(2*0)+(1*6)=144
144 % 10 = 4
So 263547-06-4 is a valid CAS Registry Number.

263547-06-4Relevant articles and documents

CROSSLINKED NUCLEIC ACID GUNA, METHOD FOR PRODUCING SAME, AND INTERMEDIATE COMPOUND

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Paragraph 0640; 0648, (2018/09/23)

The present invention provides a method for producing guanidine crosslinked artificial nucleic acid (abbreviated hereinafter as GuNA), and an intermediate compound for the production thereof. Specifically, the present invention provides a method for producing a compound represented by general formula I: (in the formula, R1, R2, R3, R4, R5, R6, m and ring A are as defined in the specification) or a salt thereof wherein a reducing agent is reacted with a compound represented by general formula II: (in the formula, R1, R2, R3, R4, R5, R6, m, and ring A′ are as defined in the specification).

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