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1-methyl-2-phenylacetyl-(2ar,5ac,10bc,10cc)-2,2a,3,4,5,5a,10b,10c-octahydro-1H-chromeno[4,3,2-cd]indazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

25559-40-4

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25559-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25559-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,5 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 25559-40:
(7*2)+(6*5)+(5*5)+(4*5)+(3*9)+(2*4)+(1*0)=124
124 % 10 = 4
So 25559-40-4 is a valid CAS Registry Number.

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