154811-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154811-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,8,1 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 154811-20:
(8*1)+(7*5)+(6*4)+(5*8)+(4*1)+(3*1)+(2*2)+(1*0)=118
118 % 10 = 8
So 154811-20-8 is a valid CAS Registry Number.
154811-20-8Relevant articles and documents
HIGHLY STEREOSELECTIVE, TOTAL SYNTHESIS OF β-C-HEXOPYRANOSYL DERIVATIVES
Fattori, Daniela,Vogel, Pierre
, p. 1017 - 1018 (1993)
One Diels-Alder adduct of furan to 1-cyanovinyl acetate is converted to 8-oxabicyclooct-6-en-2-one which is transformed into β-C-hexopyranosides including 2-deoxy and 2,3-unsaturated derivatives.