83217-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83217-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,1 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83217-84:
(7*8)+(6*3)+(5*2)+(4*1)+(3*7)+(2*8)+(1*4)=129
129 % 10 = 9
So 83217-84-9 is a valid CAS Registry Number.
83217-84-9Relevant academic research and scientific papers
A New Dimeric Proanthocyanidin from Cassia fistula Sapwood
Patil, A. D.,Deshpande, V. H.
, p. 626 - 628 (2007/10/02)
From the sapwood of Cassia fistula, (-)-epiafzelchin, (+)-catechin, kaempferol, dihydrokaempferol and 1,8-dihydroxy-3-methylanthraquinone have been isolated for the first time.In addition, a new dimeric proanthocyanidin CFI has been isolated and its struc
