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Ethyl 1-thio-2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-β-D-galactopyranoside is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128200-57-7

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128200-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128200-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,0 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128200-57:
(8*1)+(7*2)+(6*8)+(5*2)+(4*0)+(3*0)+(2*5)+(1*7)=97
97 % 10 = 7
So 128200-57-7 is a valid CAS Registry Number.

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