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4,6-dimethyl-5-hydro-1,9-dioxa-4,6-diaza-5-phosphaspiro-<4,4>nonane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

18389-63-4

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18389-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18389-63-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,3,8 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18389-63:
(7*1)+(6*8)+(5*3)+(4*8)+(3*9)+(2*6)+(1*3)=144
144 % 10 = 4
So 18389-63-4 is a valid CAS Registry Number.

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