196877-92-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196877-92-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,8,7 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 196877-92:
(8*1)+(7*9)+(6*6)+(5*8)+(4*7)+(3*7)+(2*9)+(1*2)=216
216 % 10 = 6
So 196877-92-6 is a valid CAS Registry Number.
196877-92-6Relevant articles and documents
1-(N-arylthiocarbamoyl)amidino-3,5-dimethyl pyrazoles - Preparation and use in heterocycle synthesis
Jenardanan,Francis,Deepa,Rajasekharan
, p. 3457 - 3462 (1997)
On reaction with α-haloketones or hydrazine, 1-(N-arylthiocarbamoyl)amidino-3,5-dimethylpyrazoles (1) afford 2,4-diaminothiazoles and 3,5-diamino-1,2,4-triazoles in good yield. A convenient route to 1 is also reported.