157033-95-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157033-95-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,0,3 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 157033-95:
(8*1)+(7*5)+(6*7)+(5*0)+(4*3)+(3*3)+(2*9)+(1*5)=129
129 % 10 = 9
So 157033-95-9 is a valid CAS Registry Number.
157033-95-9Relevant academic research and scientific papers
A flexible synthesis of some polysubstituted cyclopentanes from quinic acid
Teresa Barros,Santos, Antonio G.,Godinho, Licio S.,Maycock, Christopher D.
, p. 3999 - 4002 (2007/10/02)
Quinic acid is converted stereoselectively into a common cyclopentane intermediate useful for the synthesis of carbocyclic nucleosides prostaglandins and other important cyclopentane based compounds.
