697741-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697741-19-8 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, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 697741-19:
(8*6)+(7*9)+(6*7)+(5*7)+(4*4)+(3*1)+(2*1)+(1*9)=218
218 % 10 = 8
So 697741-19-8 is a valid CAS Registry Number.
697741-19-8Relevant articles and documents
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 (2004)
(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.
