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(11S)-1β,10β-epoxy-3α-(mesyloxy)-4βH-guaiano-13,6α-lactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

82691-64-3

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82691-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82691-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,9 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 82691-64:
(7*8)+(6*2)+(5*6)+(4*9)+(3*1)+(2*6)+(1*4)=153
153 % 10 = 3
So 82691-64-3 is a valid CAS Registry Number.

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