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4-methyl-6,9-dihydroxy-3,3-dioxo-1,2,5,9b-tetrahydrothieno<3,2-a>naphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

125219-83-2

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125219-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125219-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,2,1 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 125219-83:
(8*1)+(7*2)+(6*5)+(5*2)+(4*1)+(3*9)+(2*8)+(1*3)=112
112 % 10 = 2
So 125219-83-2 is a valid CAS Registry Number.

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