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2H-1-Benzopyran-2-one, 7-[[3-(6,6-dimethyl-1,4,7-trioxaspiro[4.4]non-8-yl)-2-butenyl]oxy]-, (E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89983-30-2

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89983-30-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89983-30-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,8 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89983-30:
(7*8)+(6*9)+(5*9)+(4*8)+(3*3)+(2*3)+(1*0)=202
202 % 10 = 2
So 89983-30-2 is a valid CAS Registry Number.

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