53839-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53839-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,3 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53839-23:
(7*5)+(6*3)+(5*8)+(4*3)+(3*9)+(2*2)+(1*3)=139
139 % 10 = 9
So 53839-23-9 is a valid CAS Registry Number.
53839-23-9Relevant articles and documents
PROCESS FOR MAKING A COMPOSITION COMPRISING AT LEAST TWO DIFFERENT DIALKYL ETHERS
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Page/Page column 17, (2009/06/27)
The present invention relates to a process for making a composition comprising at least two different ethers using ethanol, or a combination of ethanol and methanol, as a starting material.