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(7-methoxy-3,7-dimethyl-octa-2,4-dienyl)-triphenyl-phosphonium; bromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

17844-18-7

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17844-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17844-18-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17844-18:
(7*1)+(6*7)+(5*8)+(4*4)+(3*4)+(2*1)+(1*8)=127
127 % 10 = 7
So 17844-18-7 is a valid CAS Registry Number.

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