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L-Cysteine, S-[2,3-bis[(1-oxohexadecyl)oxy]propyl]-N-[(9H-fluoren-9-ylmethoxy)carb onyl]-, 1,1-dimethylethyl ester, (R)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139573-75-4

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139573-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139573-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,7 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139573-75:
(8*1)+(7*3)+(6*9)+(5*5)+(4*7)+(3*3)+(2*7)+(1*5)=164
164 % 10 = 4
So 139573-75-4 is a valid CAS Registry Number.

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