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(1R,3R,5R,8S,9S)-3,5-Dimethyl-2,6-dioxa-tricyclo[7.4.0.01,8]tridecan-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189636-77-9

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189636-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189636-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,6,3 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 189636-77:
(8*1)+(7*8)+(6*9)+(5*6)+(4*3)+(3*6)+(2*7)+(1*7)=199
199 % 10 = 9
So 189636-77-9 is a valid CAS Registry Number.

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