80927-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80927-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,2 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80927-97:
(7*8)+(6*0)+(5*9)+(4*2)+(3*7)+(2*9)+(1*7)=155
155 % 10 = 5
So 80927-97-5 is a valid CAS Registry Number.
80927-97-5Relevant articles and documents
SYNTHESIS OF PYRENOCINES A, B AND PYRENOCHAETIC ACID A
Ichihara, Akitami,Murakami, Kazuo,Sakamura, Sadao
, p. 5245 - 5250 (2007/10/02)
Starting from 5-acetyl-4-hydroxy-6-methyl-α-pyrone, three phytotoxins, pyrenocines A, B and pyrenochaetic acid A were synthesized.Retro-Diels-Alder reaction was successfully applied in the synthesis of pyrenochaetic acid A.