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143503-67-7

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143503-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143503-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,0 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143503-67:
(8*1)+(7*4)+(6*3)+(5*5)+(4*0)+(3*3)+(2*6)+(1*7)=107
107 % 10 = 7
So 143503-67-7 is a valid CAS Registry Number.

143503-67-7Downstream Products

143503-67-7Relevant articles and documents

Unique Stereocontrol in Europium (III)-Catalyzed Cyanosilylation of chiral α-Alkoxy and α-Amino Aldehydes

Gu, Jin-Hua,Okamoto, Mikako,Terada, Masahiro,Mikami, Koichi,Nakai, Takeshi

, p. 1169 - 1172 (2007/10/02)

The Eu(III)-catalyzed cyanosilylations of chiral α-alkoxy and α-amino aldehydes are shown to exhibit syn diastereofacial selection, the degree increasing with an increase in steric bulk of the alkyl chain in the aldehydes.The mechanism of this catalytic p

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