103897-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103897-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,8,9 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 103897-46:
(8*1)+(7*0)+(6*3)+(5*8)+(4*9)+(3*7)+(2*4)+(1*6)=137
137 % 10 = 7
So 103897-46-7 is a valid CAS Registry Number.
103897-46-7Relevant academic research and scientific papers
Synthesis of Some Spiro Diketones
Kumar, V. T. Ravi,Swaminathan, S.,Rajagopalan, K.
, p. 1168 - 1169 (2007/10/02)
The spiro diones (3) and (6) have been synthesised via the 2-hydroxymethylene derivatives (2) and (4), respectively in improved yields.Methanesulphonic acid has been used in effecting the cyclisation of the triketones (2) and (5).
