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(Z)-(4R,5S,6R)-4,5,7-Tris-benzyloxy-6-(tert-butyl-dimethyl-silanyloxy)-hept-2-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78009-81-1

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78009-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78009-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,0 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78009-81:
(7*7)+(6*8)+(5*0)+(4*0)+(3*9)+(2*8)+(1*1)=141
141 % 10 = 1
So 78009-81-1 is a valid CAS Registry Number.

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