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N-(4-Nitro-phenyl)-N'-[1-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-meth-(Z)-ylidene]-hydrazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20581-77-5

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20581-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20581-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,8 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20581-77:
(7*2)+(6*0)+(5*5)+(4*8)+(3*1)+(2*7)+(1*7)=95
95 % 10 = 5
So 20581-77-5 is a valid CAS Registry Number.

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