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[Co(CO)I2(η5-C5H4(CH2)2OCH3)] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

728880-45-3

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728880-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 728880-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,8,8,8 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 728880-45:
(8*7)+(7*2)+(6*8)+(5*8)+(4*8)+(3*0)+(2*4)+(1*5)=203
203 % 10 = 3
So 728880-45-3 is a valid CAS Registry Number.

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