5794-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5794-22-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,9 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5794-22:
(6*5)+(5*7)+(4*9)+(3*4)+(2*2)+(1*2)=119
119 % 10 = 9
So 5794-22-9 is a valid CAS Registry Number.
5794-22-9Relevant articles and documents
METHOD FOR PRODUCING ASTAXANTHIN ESTERS
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Paragraph 0103; 0104; 0105; 0106; 0107; 0108-0110; 0120, (2017/11/14)
The invention describes an environmentally friendly, sustainable and cost-effective method for preparing astaxanthin diesters of the formula 1, in which astaxanthin of the formula 2 is doubly esterified with fatty acid chlorides of the general formula 3.
