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[5,15-bis-(4',4',5',5'-teramethyl[1',3',2']dioxaborolan-2'-yl)-10,20-diphenylporphinato]zinc(II).(pyridine) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

219640-19-4

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219640-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219640-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,4 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 219640-19:
(8*2)+(7*1)+(6*9)+(5*6)+(4*4)+(3*0)+(2*1)+(1*9)=134
134 % 10 = 4
So 219640-19-4 is a valid CAS Registry Number.

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219640-19-4Relevant academic research and scientific papers

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