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4(S)-<(tert-butyldimethylsilyl)oxy>-5(S)-<(tert-butyloxycarbonyl)amino>-2(S)-isopropyl-7-methyloctanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

103335-80-4

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103335-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103335-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,3,3 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103335-80:
(8*1)+(7*0)+(6*3)+(5*3)+(4*3)+(3*5)+(2*8)+(1*0)=84
84 % 10 = 4
So 103335-80-4 is a valid CAS Registry Number.

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