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1-Phenyl-ethylamine; compound with (R)-methyl-phosphonothioic acid O-methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

13889-55-9

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13889-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13889-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,8,8 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13889-55:
(7*1)+(6*3)+(5*8)+(4*8)+(3*9)+(2*5)+(1*5)=139
139 % 10 = 9
So 13889-55-9 is a valid CAS Registry Number.

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