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2,2,2-trimethoxy-3-phenyl-5-styryl-2,3-dihydro-2λ5-[1,2]oxaphosphole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

51440-21-2

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51440-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51440-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,4 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51440-21:
(7*5)+(6*1)+(5*4)+(4*4)+(3*0)+(2*2)+(1*1)=82
82 % 10 = 2
So 51440-21-2 is a valid CAS Registry Number.

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