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L-Proline, 5-[4-(2-methyl-1,3-dioxolan-2-yl)-2-butenyl]-1-(phenylmethyl)-, 1,1-dimethylethyl ester, cis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90741-43-8

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90741-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90741-43-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,4 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90741-43:
(7*9)+(6*0)+(5*7)+(4*4)+(3*1)+(2*4)+(1*3)=128
128 % 10 = 8
So 90741-43-8 is a valid CAS Registry Number.

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