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473433-18-0

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473433-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 473433-18-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,3,4,3 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 473433-18:
(8*4)+(7*7)+(6*3)+(5*4)+(4*3)+(3*3)+(2*1)+(1*8)=150
150 % 10 = 0
So 473433-18-0 is a valid CAS Registry Number.

473433-18-0Relevant articles and documents

Synthesis of 1,2-oxygenated 6-arylfurofuran lignan: stereoselective synthesis of (1S,2S,5R,6S)-1-hydroxysamin.

Yamauchi, Satoshi,Bando, Satoshi,Kinoshita, Yoshiro

, p. 1495 - 1499 (2007/10/03)

(1S,2S,5R,6S)-6-(3,4-Methylenedioxyphenyl)-3,7-dioxabicyclo[3.3.0]octan-1,2-diol ((+)-1-hydroxysamin 1) was synthesized, starting from olefin 8. Stereoselective alpha-hydroxylation was achieved after converting 8 to aldehyde 13. Resulting unstable alpha-hydroxy aldehyde 14 was then transformed to (+)-1-hydroxysamin (1). This is a new efficient synthetic route to 1,2-oxygenated 6-arylfurofuran lignans.

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