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57750-52-4

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57750-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57750-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,5 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57750-52:
(7*5)+(6*7)+(5*7)+(4*5)+(3*0)+(2*5)+(1*2)=144
144 % 10 = 4
So 57750-52-4 is a valid CAS Registry Number.

57750-52-4Downstream Products

57750-52-4Relevant articles and documents

Mitsunobu reactions for the synthesis of carbocyclic analogues of nucleosides: Examintion of the regioselectivity

Toyota,Katagiri,Kaneko

, p. 1295 - 1305 (2007/10/02)

In order to provide a general synthetic method for carbocyclic nucleosides, regioselectivities in Mitsunobu reaction of purine, pyrimidin-2-one and their substituted derivatives with a variety of alcohols with a variety of alcohols were examined and found to depend upon both substituents of the bases and kind of the alcohols.

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