40665-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40665-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,6 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40665-91:
(7*4)+(6*0)+(5*6)+(4*6)+(3*5)+(2*9)+(1*1)=116
116 % 10 = 6
So 40665-91-6 is a valid CAS Registry Number.
40665-91-6Relevant academic research and scientific papers
PROSTANOIDS. XXX. SYNTHESIS OF THE ANALOGS OF 11-DEOXYPROSTA-GLANDINS E AND F
Tolstikov, G. A.,Miftakhov, M. S.,Adler, M. E.,Platonov, V. E.,Sagitdinova, Kh. F.,Khalilov, L. M.
, p. 100 - 107 (2007/10/02)
A practical approach to 11-deoxyprostaglandins is developed on the basis of the chemo- and stereoselective reduction of the readily obtainable methyl 9,15-diketo-16-aryloxyprostenoates.