402571-76-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402571-76-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,5,7 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 402571-76:
(8*4)+(7*0)+(6*2)+(5*5)+(4*7)+(3*1)+(2*7)+(1*6)=120
120 % 10 = 0
So 402571-76-0 is a valid CAS Registry Number.
402571-76-0Relevant academic research and scientific papers
Synthesis of 5-aryl-2,2-dimethyl-4-oxaspiro[5,5]undecane-1,3-diones by reformatsky reaction
Kirillov,Shchepin
, p. 811 - 813 (2007/10/03)
Alkyl 3-(1-bromocyclohexyl)-2,2-dimethyl-3-oxopropanoates react with zinc and aromatic aldehydes to yield 5-aryl-2,2-dimethyl-4-oxaspiro[5,5]undecane-1,3-diones.
