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4H-1-Benzopyran-4-one, 2,6-dimethyl-3-nitro- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77959-97-8

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77959-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77959-97-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,5 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77959-97:
(7*7)+(6*7)+(5*9)+(4*5)+(3*9)+(2*9)+(1*7)=208
208 % 10 = 8
So 77959-97-8 is a valid CAS Registry Number.

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