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(4R*,6S*)-(+/-)-4-bromo-1-methylidene-5,5,9-trimethylspiro<5.5>-undec-8-ene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

104643-42-7

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104643-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104643-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,6,4 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 104643-42:
(8*1)+(7*0)+(6*4)+(5*6)+(4*4)+(3*3)+(2*4)+(1*2)=97
97 % 10 = 7
So 104643-42-7 is a valid CAS Registry Number.

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