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7-Oxo-3,5-pregnadien is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

30788-97-7

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30788-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30788-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,7,8 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 30788-97:
(7*3)+(6*0)+(5*7)+(4*8)+(3*8)+(2*9)+(1*7)=137
137 % 10 = 7
So 30788-97-7 is a valid CAS Registry Number.

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