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d-oxo-1-Pyrrolidinepentanal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73200-34-7

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73200-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73200-34-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,0 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73200-34:
(7*7)+(6*3)+(5*2)+(4*0)+(3*0)+(2*3)+(1*4)=87
87 % 10 = 7
So 73200-34-7 is a valid CAS Registry Number.

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