89844-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89844-63-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,4 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89844-63:
(7*8)+(6*9)+(5*8)+(4*4)+(3*4)+(2*6)+(1*3)=193
193 % 10 = 3
So 89844-63-3 is a valid CAS Registry Number.
89844-63-3Relevant articles and documents
TRANSFORMATIONS OF N-ARYLCYANOTHIOACETAMIDES TO SUBTITUTED THIOPHENES IN THE PRESENCE OF AMINES
Kulaeva, L. N.,Pel'kis, P. S.,Lozinskii, M. O.,Kalinin, V. N.
, p. 106 - 108 (2007/10/02)
When heated in the presence of catalytic amounts of amines, N-arylcyanothioacetamides give 2-amino-3-arylthiocarbamoyl-4-cyano-5-arylaminothiophenes.