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4-(4-hydroxy-3,5-dimethyl-phenyl)-octahydro-pyrano[4,3-d]pyrimidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23903-35-7

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23903-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23903-35-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,0 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23903-35:
(7*2)+(6*3)+(5*9)+(4*0)+(3*3)+(2*3)+(1*5)=97
97 % 10 = 7
So 23903-35-7 is a valid CAS Registry Number.

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