263388-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263388-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,3,8 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 263388-28:
(8*2)+(7*6)+(6*3)+(5*3)+(4*8)+(3*8)+(2*2)+(1*8)=159
159 % 10 = 9
So 263388-28-9 is a valid CAS Registry Number.
263388-28-9Relevant academic research and scientific papers
The pyranoid C6-portion of the natural C12-α,β-unsaturated-δ- lactones from D-glucose
Hassan, Hammed H.A.M.,Rahman, Mohamed M. Abdel
, p. 201 - 216 (2007/10/03)
The transformation of D-glucose to 5,6-disubstituted 5,6-dihydro-2H- pyran-2-one 3, an analogue of the (5R)-C6-pyranoid part of the natural α,β-unsaturated-δ-lactones is described.
