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2exo,3exo-bis-(chloromethyl)-5,6-dimethylidene-7-oxabicyclo<2.2.1>heptane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74249-45-9

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74249-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74249-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,4 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 74249-45:
(7*7)+(6*4)+(5*2)+(4*4)+(3*9)+(2*4)+(1*5)=139
139 % 10 = 9
So 74249-45-9 is a valid CAS Registry Number.

74249-45-9Upstream product

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