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(η4-1,3,5-cyclooctatriene)tris(diethylphenylphosphine)ruthenium is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

303993-76-2

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303993-76-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 303993-76-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,9,9 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 303993-76:
(8*3)+(7*0)+(6*3)+(5*9)+(4*9)+(3*3)+(2*7)+(1*6)=152
152 % 10 = 2
So 303993-76-2 is a valid CAS Registry Number.

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