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(1RS,2SR,6RS,7SR,8SR)-6,7-dihydroxy-6,7-O-isopropylidene-2,10,10-trimethyltricyclo<6.3.0.02,6>undecane-3,4,11-trione 4-dimethyl dithioacetal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73840-69-4

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73840-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73840-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,4 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73840-69:
(7*7)+(6*3)+(5*8)+(4*4)+(3*0)+(2*6)+(1*9)=144
144 % 10 = 4
So 73840-69-4 is a valid CAS Registry Number.

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