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697741-23-4

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697741-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 697741-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,7,4 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 697741-23:
(8*6)+(7*9)+(6*7)+(5*7)+(4*4)+(3*1)+(2*2)+(1*3)=214
214 % 10 = 4
So 697741-23-4 is a valid CAS Registry Number.

697741-23-4Relevant articles and documents

Further study on synthesis of the cyclobakuchiols

Kawashima, Hidehisa,Sakai, Masahiro,Kaneko, Yuki,Kobayashi, Yuichi

, p. 2387 - 2392 (2015/03/30)

Abstract Two results are described. First, quinic acid was transformed into the monoacetate of 2-cyclohexene-1,4-diol. The Ni-catalyzed allylic substitution of the monoacetate with CH2C(Me)MgBr/ZnCl2/TMEDA followed by oxidation of th

An efficient approach to either enantiomer of trans-cyclohex-2-ene-1,4-diol

Alibes, Ramon,De March, Pedro,Figueredo, Marta,Font, Josep,Marjanet, Georgina

, p. 1151 - 1155 (2007/10/03)

(1S,4S)-Cyclohex-2-ene-1,4-diol has been synthesised starting from a chiral p-benzoquinone equivalent. The sequence can be equally applied to the preparation of the (1R,4R)-enantiomer of the target diol.

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