99758-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99758-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,5 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99758-33:
(7*9)+(6*9)+(5*7)+(4*5)+(3*8)+(2*3)+(1*3)=205
205 % 10 = 5
So 99758-33-5 is a valid CAS Registry Number.
99758-33-5Relevant academic research and scientific papers
NOVEL RING TRANSFER REACTION OF FURANS VIA INTRAMOLECULAR DIELS-ALDER REACTION OF ALLENE INTERMEDIATE: A NEW DOUBLE ANNULATION REACTION
Hayakawa, Kenji,Yamaguchi, Yasuchika,Kanematsu, Ken
, p. 2689 - 2692 (2007/10/02)
A novel ring transfer reaction of furans to fused furans by tandem intramolecular Diels-Alder reaction and base-catalyzed ring-opening of the adducts has been developed.