82053-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82053-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,0,5 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82053-90:
(7*8)+(6*2)+(5*0)+(4*5)+(3*3)+(2*9)+(1*0)=115
115 % 10 = 5
So 82053-90-5 is a valid CAS Registry Number.
82053-90-5Relevant articles and documents
Studies on aromatic sesquiterpenes. XII. Synthesis of (±)-cis-5-Hydroxycalamenene
Tanaka,Adachi
, p. 272 - 274 (2007/10/02)
Starting from o-cresol, (±)-cis-5-hydroxycalamenene was synthesized through 4-isopropyl-5-methoxy-6-methyl-1-tetralone as a key intermediate and identified with the natural compound spectroscopically.
