80927-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80927-99-7 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 9 respectively.
Calculate Digit Verification of CAS Registry Number 80927-99:
(7*8)+(6*0)+(5*9)+(4*2)+(3*7)+(2*9)+(1*9)=157
157 % 10 = 7
So 80927-99-7 is a valid CAS Registry Number.
80927-99-7Relevant articles and documents
SYNTHESIS OF PYRENOCINE A AND B
Ichihara, Akitami,Murakami, Kazuo,Sakamura, Sadao
, p. 4005 - 4006 (1981)
From 5-acetyl-4-hydroxy-6-methyl-α-pyrone, two phytotoxins, pyrenocine A and B, were synthesised and erroneous γ-pyrone structure of the starting compound was corrected on the basis of spectroscopic data.