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3-Buten-2-ol, 2-methyl-4-(phenylseleno)-, (E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

30197-04-7

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30197-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30197-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,1,9 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 30197-04:
(7*3)+(6*0)+(5*1)+(4*9)+(3*7)+(2*0)+(1*4)=87
87 % 10 = 7
So 30197-04-7 is a valid CAS Registry Number.

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