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1433061-16-5

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1433061-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1433061-16-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,3,0,6 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1433061-16:
(9*1)+(8*4)+(7*3)+(6*3)+(5*0)+(4*6)+(3*1)+(2*1)+(1*6)=115
115 % 10 = 5
So 1433061-16-5 is a valid CAS Registry Number.

1433061-16-5Relevant articles and documents

Asymmetric induction via short-lived chiral enolates with a chiral C-O axis

Yoshimura, Tomoyuki,Tomohara, Keisuke,Kawabata, Takeo

, p. 7102 - 7105 (2013/06/27)

A novel method has been developed for the asymmetric cyclization of alkyl aryl ethers. The reactions were assumed to proceed via short-lived chiral enolate intermediates with a chiral C-O axis to give cyclic ethers with tetrasubstituted carbon in up to 99% ee. The half-life of racemization of the chiral enolate intermediate was roughly estimated to be ~1 s at -78 C.

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