74877-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74877-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,7 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74877-27:
(7*7)+(6*4)+(5*8)+(4*7)+(3*7)+(2*2)+(1*7)=173
173 % 10 = 3
So 74877-27-3 is a valid CAS Registry Number.
74877-27-3Relevant academic research and scientific papers
Luxen, Andre J.,Christiaens, Leon E. E.,Renson, Marcel J.
, p. 81 - 86 (1985)
We describe a new synthesis of chalcogenochromones and of some of their oxygen, sulfur, selenium and tellurium derivatives.The synthesis involves acidic cyclisation of (o-alkylchalcogenophenyl) ethynyl ketones.
