176261-90-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176261-90-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,2,6 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 176261-90:
(8*1)+(7*7)+(6*6)+(5*2)+(4*6)+(3*1)+(2*9)+(1*0)=148
148 % 10 = 8
So 176261-90-8 is a valid CAS Registry Number.
176261-90-8Relevant articles and documents
The N-carbamoyl squaramide dimer: A compact, strongly associated H- bonding motif
Davis, Anthony P.,Draper, Sylvia M.,Dunne, Gavin,Ashton, Peter
, p. 2265 - 2266 (1999)
N-Carbamoyl squaramides 3, readily available from dialkyl squarate 5, form hydrogen-bonded dimers in solution and in non-polar organic solvents; in CDCl3 they show no significant dissociation down to concentrations of ~0.5 mM.
