90974-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90974-65-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,7 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90974-65:
(7*9)+(6*0)+(5*9)+(4*7)+(3*4)+(2*6)+(1*5)=165
165 % 10 = 5
So 90974-65-5 is a valid CAS Registry Number.
90974-65-5Relevant articles and documents
Syntheses of (+/-)-cis γ-Irone and Its Related Compounds
Kawanobe, Tsuneo,Iwamoto, Minoru,Kogami, Kunio,Matsui, Masanao
, p. 791 - 796 (2007/10/02)
(+/-)-cis-γ-Irone (1a), (+/-)-cis-dihydro-γ-irone (2a) and their trans-isomers (1b, 2b) were synthesized via 3,3-(Claisen) or 2,3-sigmatropic rearrangement of 1-hydroxymethyl-3,3,4-trimethyl-1-cyclohexene (8) derivatives as each key step.
