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methyl 5-acetamido-4,7,8-tri-O-acetyl-2,6-anhydro-2,3,5-trideoxy-9-O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-5-deoxy-α-D-erythro-L-gluco-2-nonulopyranosylonate)-D-glycero-D-galacto-non-2-enopyranosonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109681-10-9

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109681-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109681-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,8 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109681-10:
(8*1)+(7*0)+(6*9)+(5*6)+(4*8)+(3*1)+(2*1)+(1*0)=129
129 % 10 = 9
So 109681-10-9 is a valid CAS Registry Number.

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