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(+/-)-<6aβ,7,8,9,10,10aα-hexahydro-1,9β-dihydroxy-6,6-dimethyl-3-(1-methyl-4-phenylbutoxy)-6H-dibenzopyran-4-yl>phosphonic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

129657-91-6

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129657-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129657-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129657-91:
(8*1)+(7*2)+(6*9)+(5*6)+(4*5)+(3*7)+(2*9)+(1*1)=166
166 % 10 = 6
So 129657-91-6 is a valid CAS Registry Number.

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