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rac-3-hydroxy-16.17-seco-estrapentaen-(1.3.5.7.9)-oic acid-(17)-methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81269-73-0

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81269-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81269-73-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,6 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81269-73:
(7*8)+(6*1)+(5*2)+(4*6)+(3*9)+(2*7)+(1*3)=140
140 % 10 = 0
So 81269-73-0 is a valid CAS Registry Number.

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