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(5E,9E)-11-(tert-Butyl-dimethyl-silanyloxy)-5,10-dimethyl-1-trimethylsilanyl-undeca-5,9-dien-1-yne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

442550-77-8

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442550-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442550-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,5,5 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 442550-77:
(8*4)+(7*4)+(6*2)+(5*5)+(4*5)+(3*0)+(2*7)+(1*7)=138
138 % 10 = 8
So 442550-77-8 is a valid CAS Registry Number.

442550-77-8Upstream product

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