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15200-01-8

15200-01-8

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15200-01-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15200-01-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,2,0 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15200-01:
(7*1)+(6*5)+(5*2)+(4*0)+(3*0)+(2*0)+(1*1)=48
48 % 10 = 8
So 15200-01-8 is a valid CAS Registry Number.

15200-01-8Downstream Products

15200-01-8Relevant articles and documents

Dehydrohalogenation of a 7-halodihydrocodeinone dialkyl ketal

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, (2008/06/13)

A process for the dehydrohalogenation of a 7-halo- or a 1,7-dihalodihydrocodeinone dialkyl ketal of the general formula (I): STR1 in which R represents an alkyl group containing from 1 to 6 carbon atoms, X represents hydrogen or chlorine or bromine and Y represents chlorine or bromine which comprises subjecting the ketal to the action of a base in the presence of a polar aprotic solvent. The process has utility in facilitating the production of codeine.

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