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2-[7-Oxo-oxepan-(2Z)-ylidene]-propionaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77136-85-7

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77136-85-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77136-85-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,3 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77136-85:
(7*7)+(6*7)+(5*1)+(4*3)+(3*6)+(2*8)+(1*5)=147
147 % 10 = 7
So 77136-85-7 is a valid CAS Registry Number.

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