91890-87-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91890-87-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,9 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91890-87:
(7*9)+(6*1)+(5*8)+(4*9)+(3*0)+(2*8)+(1*7)=168
168 % 10 = 8
So 91890-87-8 is a valid CAS Registry Number.
91890-87-8Relevant articles and documents
Zeolite-catalyzed preparation of alpha-hydroxy carboxylic acid compounds and esters thereof
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Page/Page column 6, (2010/06/11)
A process for the production of lactic acid and 2-hydroxy-3-butenoic acid or esters thereof by conversion of glucose, fructose, sucrose, xylose and glycolaldehyde dissolved in a solvent in presence of a solid Lewis acidic catalyst.