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bromo-6 methoxy-8 dihydro-2,3 4H-benzopyranne-1 one-4 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81258-20-0

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81258-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81258-20-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,5 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81258-20:
(7*8)+(6*1)+(5*2)+(4*5)+(3*8)+(2*2)+(1*0)=120
120 % 10 = 0
So 81258-20-0 is a valid CAS Registry Number.

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