442883-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442883-72-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,8,8 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 442883-72:
(8*4)+(7*4)+(6*2)+(5*8)+(4*8)+(3*3)+(2*7)+(1*2)=169
169 % 10 = 9
So 442883-72-9 is a valid CAS Registry Number.
442883-72-9Relevant articles and documents
A convenient synthesis of 3-methyleneoxindoles: Cytotoxic metabolites of indole-3-acetic acids
Rossiter, Sharon
, p. 4671 - 4673 (2007/10/03)
3-Methyleneoxindole is a cytotoxic metabolite of indole-3-acetic acid with potential for use in cancer therapy. This species and ring-substituted analogues are conveniently synthesised from the corresponding isatins via a Peterson olefination.