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1-[(tert-butoxycarbonyl)amino]-7-[(tert-butyldimethylsilyl)oxy]naphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

440105-87-3

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440105-87-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 440105-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,1,0 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 440105-87:
(8*4)+(7*4)+(6*0)+(5*1)+(4*0)+(3*5)+(2*8)+(1*7)=103
103 % 10 = 3
So 440105-87-3 is a valid CAS Registry Number.

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