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(η(5)-C5Me5)Re(PPh3)(NO)(C.tplbond.CC.tplbond.CC.tplbond.CSiMe3) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

228997-59-9

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228997-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 228997-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,9,9 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 228997-59:
(8*2)+(7*2)+(6*8)+(5*9)+(4*9)+(3*7)+(2*5)+(1*9)=199
199 % 10 = 9
So 228997-59-9 is a valid CAS Registry Number.

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