131134-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131134-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,3 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131134-47:
(8*1)+(7*3)+(6*1)+(5*1)+(4*3)+(3*4)+(2*4)+(1*7)=79
79 % 10 = 9
So 131134-47-9 is a valid CAS Registry Number.
131134-47-9Relevant articles and documents
Total synthesis of (±)-phaseic acid
Abrams, Garth D.,Abrams, Suzanne R.,Nelson, Lloyd A. K.,Gusta, Lawrence V.
, p. 5543 - 5554 (2007/10/02)
A highly stereoselective synthesis of (±)-phaseic acid is described. Photochemical reaction of the nitrite derived from trans-4-hydroxy-2,2,6-trimethylcyclohexanone functionalizes the methyl group of the geminal pair cis to the hydroxyl group of the start