1697-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1697-11-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1697-11:
(6*1)+(5*6)+(4*9)+(3*7)+(2*1)+(1*1)=96
96 % 10 = 6
So 1697-11-6 is a valid CAS Registry Number.
1697-11-6Relevant academic research and scientific papers
Wanner, Klaus Th.,Weber, Ulrich
, p. 681 - 683 (1997)
1,3-Oxazolidin-4-ones and 1,3-oxazin-4-ones were synthesized by formal cyclocondensation of imines with α- or β-hydroxy acids.