54562-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54562-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,6 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54562-77:
(7*5)+(6*4)+(5*5)+(4*6)+(3*2)+(2*7)+(1*7)=135
135 % 10 = 5
So 54562-77-5 is a valid CAS Registry Number.
54562-77-5Relevant articles and documents
FURAN DERIVATIVES FROM CYCLODEHYDRATION OF BRACKENIN-LIKE 1,4-DICARBONYL COMPOUNDS
Drewes, Siegfried E.,Hogan, Craig J.
, p. 2101 - 2108 (2007/10/02)
The synthesis of 2,3,4,5 tetrasubstituted- and 2,3,5-trisubstituted furans from suitable butan-1,4-dione derivatives is described.
