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494841-71-3

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494841-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 494841-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,4,8,4 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 494841-71:
(8*4)+(7*9)+(6*4)+(5*8)+(4*4)+(3*1)+(2*7)+(1*1)=193
193 % 10 = 3
So 494841-71-3 is a valid CAS Registry Number.

494841-71-3Downstream Products

494841-71-3Relevant articles and documents

Asymmetric synthesis of a selective endothelin a receptor antagonist

Kato, Yoshiaki,Niiyama, Kenji,Jona, Hideki,Okada, Shigemitsu,Akao, Atsushi,Hiraga, Shouichi,Tsuchiya, Yoshimi,Tomimoto, Koji,Mase, Toshiaki

, p. 1066 - 1072 (2007/10/03)

An asymmetric synthesis of a selective endothelin A receptor antagonist 1b is described. Asymmetric conjugate addition of aryllithium derived from 18 to the chiral oxazoline 17 followed by hydrolysis afforded 15 in 96% ee via purification as (S)-(-)-1-phe

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