120912-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120912-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,9,1 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120912-99:
(8*1)+(7*2)+(6*0)+(5*9)+(4*1)+(3*2)+(2*9)+(1*9)=104
104 % 10 = 4
So 120912-99-4 is a valid CAS Registry Number.
120912-99-4Relevant academic research and scientific papers
THE ABSOLUTE CONFIGURATION OF THE STERPURENE SESQUITERPENES
Abell, Chris,Leech, Andrew P.
, p. 1985 - 1986 (2007/10/02)
The absolute configuration of the sterpurene sesquiterpenes isolated from Stereum purpureum has been determined both by the use of the exciton chirality method on (2), a derivative of 7,12-dihydroxy-sterpurene (1) and from the 19F NMR spectra of the Mosher's esters (3) and (4).
