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(7R,8S)-erythro-7,9,9'-tirhydroxy-3,3'-dimethoxy-8-O-4'-neolignan-4-O-β-D-glucopyranoside is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1009838-89-4

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1009838-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1009838-89-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,8,3 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1009838-89:
(9*1)+(8*0)+(7*0)+(6*9)+(5*8)+(4*3)+(3*8)+(2*8)+(1*9)=164
164 % 10 = 4
So 1009838-89-4 is a valid CAS Registry Number.

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