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49785-51-5

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49785-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49785-51-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,7,8 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 49785-51:
(7*4)+(6*9)+(5*7)+(4*8)+(3*5)+(2*5)+(1*1)=175
175 % 10 = 5
So 49785-51-5 is a valid CAS Registry Number.

49785-51-5Downstream Products

49785-51-5Relevant articles and documents

Catalytic Asymmetric Chlorocyclization of 2-Vinylphenylcarbamates for Synthesis of 1,4-Dihydro-2H-3,1-benzoxazin-2-one Derivatives

Yu, Yan-Min,Huang, Ya-Nan,Deng, Jun

, p. 1224 - 1227 (2017/03/14)

A facile synthetic approach to a series of chiral 4-chloromethyl-1,4-dihydro-2H-3,1-benzoxazin-2-one derivatives has been described. This transformation is achieved through the catalytic asymmetric chlorocyclization of 2-vinylphenylcarbamates using a newly developed organocatalyst. Furthermore, the resulting products can be easily converted into diverse bioactive agents.

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