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5-O-(p-anisyldiphenylmethyl)-1,3-dideoxy-1-C-(1,3-dithian-2-yl)-D-erythro-pentitol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89401-20-7

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89401-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89401-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,0 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89401-20:
(7*8)+(6*9)+(5*4)+(4*0)+(3*1)+(2*2)+(1*0)=137
137 % 10 = 7
So 89401-20-7 is a valid CAS Registry Number.

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