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D-Tryptophan, 1-methyl-, methyl ester, monohydrochloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

123719-38-0

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123719-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123719-38-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,1 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 123719-38:
(8*1)+(7*2)+(6*3)+(5*7)+(4*1)+(3*9)+(2*3)+(1*8)=120
120 % 10 = 0
So 123719-38-0 is a valid CAS Registry Number.

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