57784-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57784-05-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,8 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57784-05:
(7*5)+(6*7)+(5*7)+(4*8)+(3*4)+(2*0)+(1*5)=161
161 % 10 = 1
So 57784-05-1 is a valid CAS Registry Number.
57784-05-1Relevant articles and documents
A Convenient Synthesis of 4-Thio-D-galactofuranose
Varela, Oscar,Cicero, Daniel,Lederkremer, Rosa M. de
, p. 1884 - 1890 (1989)
The synthesis of 4-thio-D-galactofuranose (15) and derivatives, starting from methyl α-D-glucopyranoside (1), is described.Esterification of 1 with N-benzoylimidazole afforded regioselectively methyl 2,3,6-tri-O-benzoyl-α-D-glucopyranoside (2c).Further su
