79965-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79965-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,6 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 79965-56:
(7*7)+(6*9)+(5*9)+(4*6)+(3*5)+(2*5)+(1*6)=203
203 % 10 = 3
So 79965-56-3 is a valid CAS Registry Number.
79965-56-3Relevant articles and documents
KETENE-ANTHRACENE ADDUCT, A PRECURSOR OF SUBSTITUTED ACETYLENES
Tarnchompoo, Bongkoch,Thebtaranonth, Yodhathai,Utamapanya, Suchada,Kasemsri, Prapani
, p. 1241 - 1242 (2007/10/02)
The ketene-anhracene adduct 1 serves as a good precursor in the synthesis of substituted acetylenes, in wich the key step is the retro Diels-Alder reaction.