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4-Oxo-pentanoic acid (3aS,4R,6R,7R,7aS)-6-methoxy-4-(1-methoxy-1-methyl-ethoxymethyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

851963-40-1

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851963-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851963-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,9,6 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 851963-40:
(8*8)+(7*5)+(6*1)+(5*9)+(4*6)+(3*3)+(2*4)+(1*0)=191
191 % 10 = 1
So 851963-40-1 is a valid CAS Registry Number.

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