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Benzoic acid (R)-2-hydroxy-2-((2R,3R)-2-hydroxymethyl-5-oxo-tetrahydro-furan-3-yl)-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77772-49-7

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77772-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77772-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,7 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77772-49:
(7*7)+(6*7)+(5*7)+(4*7)+(3*2)+(2*4)+(1*9)=177
177 % 10 = 7
So 77772-49-7 is a valid CAS Registry Number.

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