117057-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117057-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,0,5 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117057-03:
(8*1)+(7*1)+(6*7)+(5*0)+(4*5)+(3*7)+(2*0)+(1*3)=101
101 % 10 = 1
So 117057-03-1 is a valid CAS Registry Number.
117057-03-1Relevant articles and documents
On Triazoles. XII. The Carbamoylation and Thiocarbamoylation of 5-Amino-1,2,4-triazoles
Reiter, Jozsef,Pongo, Laszlo,Dvortsak, Peter
, p. 1685 - 1696 (2007/10/02)
The reaction of 5-amino-3-R-1H-1,2,4-triazoles 1 with isocyanates 2 (X = O) and isothiocyanates 2 (X = S) was studied.Is was stated that with isocyanates 3a (X = O) type ring-carbamoylated products were formed which did not rearrange to the corresponding
