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(+/-)-trans-1-phenyl-1,2,3,4-tetrahydro-naphthoic acid-(2) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109554-20-3

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109554-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109554-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,5 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109554-20:
(8*1)+(7*0)+(6*9)+(5*5)+(4*5)+(3*4)+(2*2)+(1*0)=123
123 % 10 = 3
So 109554-20-3 is a valid CAS Registry Number.
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