83911-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83911-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,1 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83911-99:
(7*8)+(6*3)+(5*9)+(4*1)+(3*1)+(2*9)+(1*9)=153
153 % 10 = 3
So 83911-99-3 is a valid CAS Registry Number.
83911-99-3Relevant academic research and scientific papers
Synthesis of Helicallen-16-ol and Helicallen-16-al
Vig, O. P.,Bari, S. S.,Vig, R.,Dua, D. M.
, p. 279 - 281 (2007/10/02)
4-(4'-Methyl-3'-cyclohexenyl)pent-1,3E-dienyl methyl ether (IV), obtained through Wittig reaction of methoxymethylenetriphenylphosphorane on 3-(4'-methyl-3'-cyclohexenyl)but-2E-enal (III), when refluxed with ethylene glycol/PTS in benzene gives the ketal
