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Phosphonic acid, [[2,5-dicyano-4-[2-[4-(dimethylamino)phenyl]ethenyl]phenyl]methyl]-, diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

749247-70-9

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749247-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 749247-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,2,4 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 749247-70:
(8*7)+(7*4)+(6*9)+(5*2)+(4*4)+(3*7)+(2*7)+(1*0)=199
199 % 10 = 9
So 749247-70-9 is a valid CAS Registry Number.

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