237403-57-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 237403-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,7,4,0 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 237403-57:
(8*2)+(7*3)+(6*7)+(5*4)+(4*0)+(3*3)+(2*5)+(1*7)=125
125 % 10 = 5
So 237403-57-5 is a valid CAS Registry Number.
237403-57-5Relevant articles and documents
AROMATIC COMPOUNDS FROM FURANICS
-
Page/Page column 42, (2017/09/21)
Described are methods for preparing phenols, benzene carboxylic acids, esters and anhydrides thereof from furanic compounds by reaction with a dienophile, wherein the furanic compounds are reacted with a hydrazine and/or oxime and then reacted with a dienophile.
