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1-methyl-3c-phenyl-(3ar,9bc)-1,3a,4,9b-tetrahydro-3H-chromeno[4,3-c]isoxazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28809-12-3

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28809-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28809-12-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,0 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28809-12:
(7*2)+(6*8)+(5*8)+(4*0)+(3*9)+(2*1)+(1*2)=133
133 % 10 = 3
So 28809-12-3 is a valid CAS Registry Number.

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