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4(C6H5CH2N(C2H5)3)(1+)*(Rh14(CO)25)(4-)=(C6H5CH2N(C2H5)3)4(Rh14(CO)25) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75558-89-3

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75558-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75558-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,5 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75558-89:
(7*7)+(6*5)+(5*5)+(4*5)+(3*8)+(2*8)+(1*9)=173
173 % 10 = 3
So 75558-89-3 is a valid CAS Registry Number.

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