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(1R,4R,5S,6S)-1-chloro-7,8-dioxa-5,6-di-O-isopropylidenebicyclo<2.2.2>oct-2-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139013-56-2

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139013-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139013-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,1 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139013-56:
(8*1)+(7*3)+(6*9)+(5*0)+(4*1)+(3*3)+(2*5)+(1*6)=112
112 % 10 = 2
So 139013-56-2 is a valid CAS Registry Number.

139013-56-2Upstream product

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