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1449336-21-3

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1449336-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1449336-21-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,3,3 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1449336-21:
(9*1)+(8*4)+(7*4)+(6*9)+(5*3)+(4*3)+(3*6)+(2*2)+(1*1)=173
173 % 10 = 3
So 1449336-21-3 is a valid CAS Registry Number.

1449336-21-3Relevant articles and documents

Organocatalyzed formal [2 + 2] cycloaddition of ketimines with allenoates: Facile access to azetidines with a chiral tetrasubstituted carbon stereogenic center

Takizawa, Shinobu,Arteaga, Fernando Arteaga,Yoshida, Yasushi,Suzuki, Michitaka,Sasai, Hiroaki

supporting information, p. 4142 - 4145 (2013/09/12)

An enantioselective organocatalyzed aza-MBH-type reaction of ketimines and allenoates has been developed. The present formal [2 + 2] cycloaddition produces highly functionalized azetidines with a chiral tetrasubstituted carbon stereogenic center in good to excellent yields and high enantioselectivities.

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