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852661-33-7

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852661-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 852661-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,2,6,6 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 852661-33:
(8*8)+(7*5)+(6*2)+(5*6)+(4*6)+(3*1)+(2*3)+(1*3)=177
177 % 10 = 7
So 852661-33-7 is a valid CAS Registry Number.

852661-33-7Relevant articles and documents

Synthesis of optically active N-aryl amino acid derivatives through the asymmetric petasis reaction catalyzed by a novel hydroxy-thiourea catalyst

Inokuma, Tsubasa,Suzuki, Yusuke,Sakaeda, Toshiyuki,Takemoto, Yoshiji

, p. 2902 - 2906 (2012/06/30)

Thiourea makes peptides: Asymmetric Petasis reactions with vinylboronates and α-iminoamides are effectively catalyzed by the novel hydroxy-thiourea catalyst 1 (up to 86% yield, 93% ee; see scheme). This reaction can be applied not only to the synthesis of

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