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(1R,2R,3S)-1-O-Acetyl-2,3-O-isopropylidene-5-methoxycarbonyl-4-cyclohexen-1,2,3-triol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

130021-75-9

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130021-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130021-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,0,2 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 130021-75:
(8*1)+(7*3)+(6*0)+(5*0)+(4*2)+(3*1)+(2*7)+(1*5)=59
59 % 10 = 9
So 130021-75-9 is a valid CAS Registry Number.
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