194282-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194282-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,2,8 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 194282-70:
(8*1)+(7*9)+(6*4)+(5*2)+(4*8)+(3*2)+(2*7)+(1*0)=157
157 % 10 = 7
So 194282-70-7 is a valid CAS Registry Number.
194282-70-7Relevant academic research and scientific papers
Convenient synthesis of amino-substituted pyranopyranones
Piao, Ming-Zhu,Imafuku, Kimiaki
, p. 5301 - 5302 (2007/10/03)
Treatment of kojic acid and triacetic acid lactone with arylmethylenemalononitrile derivatives in the presence of piperidine in ethanol, respectively, furnished the corresponding amino-substituted new 4H,8H-pyrano[3,2-b]pyran-4-ones and 4H,5H-pyrano[4,3-b
