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{4-[(E)-4-bromo-1-butenyl]phenyl}diphenylphosphine oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1072159-19-3

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1072159-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1072159-19-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,2,1,5 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1072159-19:
(9*1)+(8*0)+(7*7)+(6*2)+(5*1)+(4*5)+(3*9)+(2*1)+(1*9)=133
133 % 10 = 3
So 1072159-19-3 is a valid CAS Registry Number.

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