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N-methylnorleucine tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

191930-81-1

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191930-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191930-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,9,3 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 191930-81:
(8*1)+(7*9)+(6*1)+(5*9)+(4*3)+(3*0)+(2*8)+(1*1)=151
151 % 10 = 1
So 191930-81-1 is a valid CAS Registry Number.

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