82619-86-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82619-86-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,1 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82619-86:
(7*8)+(6*2)+(5*6)+(4*1)+(3*9)+(2*8)+(1*6)=151
151 % 10 = 1
So 82619-86-1 is a valid CAS Registry Number.
82619-86-1Relevant articles and documents
Synthesis of 3H-Pyrazol-3-one Derivatives Containing a 9H-Thioxanthene Ring
Okabayashi, Ichizo
, p. 437 - 438 (2007/10/02)
2,4-Dihydro-5-methyl-2-phenyl-4-(9H-thioxanthen-9-yl)-3H-pyrazol-3-one (3) was prepared by condensing 9H-thioxanthen-9-ol (1) with 2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one (2), or by cyclizing ethyl α-acetyl-9H-thioxanthene-9-acetate (4) with phenyl
