137527-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137527-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,2 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137527-46:
(8*1)+(7*3)+(6*7)+(5*5)+(4*2)+(3*7)+(2*4)+(1*6)=139
139 % 10 = 9
So 137527-46-9 is a valid CAS Registry Number.
137527-46-9Relevant academic research and scientific papers
Pyrazoles. 5. Novel Pyrazole Analogues of Flavanone, Flavone and Flavane
Heinisch, Gottfried,Hollub, Christian,Holzer, Wolfgang
, p. 1047 - 1050 (2007/10/02)
The synthesis of the new pyranopyrazole derivatives 4, 5, and 7 starting from (E)-1-(1,3-dimethyl-5-hydroxy-4-pyrazolyl)-3-phenyl-2-propen-1-one (2) is reported.
