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3-methoxy-3-nitromethyl-phthalide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54519-65-2

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54519-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54519-65-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,1 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54519-65:
(7*5)+(6*4)+(5*5)+(4*1)+(3*9)+(2*6)+(1*5)=132
132 % 10 = 2
So 54519-65-2 is a valid CAS Registry Number.
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