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1,2,6,2',3',4',6'-hepta-O-acetyl-β-D-maltose is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19204-77-4

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19204-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19204-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,0 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19204-77:
(7*1)+(6*9)+(5*2)+(4*0)+(3*4)+(2*7)+(1*7)=104
104 % 10 = 4
So 19204-77-4 is a valid CAS Registry Number.

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