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1449380-29-3

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1449380-29-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1449380-29-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,3,8 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1449380-29:
(9*1)+(8*4)+(7*4)+(6*9)+(5*3)+(4*8)+(3*0)+(2*2)+(1*9)=183
183 % 10 = 3
So 1449380-29-3 is a valid CAS Registry Number.

1449380-29-3Relevant articles and documents

Simple amino silyl ether organocatalyst for asymmetric hetero Diels–Alder reaction of isatins with enones

Parasuraman, Perumalsamy,Ganesan, Divakar,Begum, Zubeda,Seki, Chigusa,Okuyama, Yuko,Kwon, Eunsang,Uwai, Koji,Tokiwa, Michio,Tokiwa, Suguru,Takeshita, Mitsuhiro,Nakano, Hiroto

, p. 454 - 464 (2021)

New two catalysts component system comprising of a primary β-amino silyl ethers as an organocatalyst and N-protected amino acids as a co-catalyst put together worked as an efficient organocatalyst system in the hetero Diels–Alder reaction of isatins with enones affording the chiral spirooxindole-tetrahydropyranones in good chemical yields and stereoselectivities (up to 94%, up to dr 78:22., up to 85% ee).

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