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methyl 8-methoxy-2,2-dimethyl-3,4-dihydro-benzopyran-5-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80902-70-1

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80902-70-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80902-70-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,0 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80902-70:
(7*8)+(6*0)+(5*9)+(4*0)+(3*2)+(2*7)+(1*0)=121
121 % 10 = 1
So 80902-70-1 is a valid CAS Registry Number.

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