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123834-97-9

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123834-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123834-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,3 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 123834-97:
(8*1)+(7*2)+(6*3)+(5*8)+(4*3)+(3*4)+(2*9)+(1*7)=129
129 % 10 = 9
So 123834-97-9 is a valid CAS Registry Number.

123834-97-9Upstream product

123834-97-9Downstream Products

123834-97-9Relevant articles and documents

An Enantioselective Synthesis of (+)-Picrasin B, (+)-Δ2-Picrasin B, and (+)-Quassin from the R-(-) Enantiomer of the Wieland-Miescher Ketone

Kim, Moonsun,Kawada, Kenji,Gross, Raymond S.,Watt, David S.

, p. 504 - 511 (2007/10/02)

An enantioselective total synthesis of (+)-picrasin B (1), (+)-Δ2-picrasin B (11), and (+)-quassin (12) from the R-(-) enantiomer of the Wieland-Miescher ketone (3) employed an A-AB-ABC-ABCD sequence to assemble the tetracyclic skeleton.The cru

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