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78208-11-4

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78208-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78208-11-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,0 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78208-11:
(7*7)+(6*8)+(5*2)+(4*0)+(3*8)+(2*1)+(1*1)=134
134 % 10 = 4
So 78208-11-4 is a valid CAS Registry Number.

78208-11-4Upstream product

78208-11-4Downstream Products

78208-11-4Relevant articles and documents

SYNTHESIS OF LEVOMETHADONE HYDROCHLORIDE

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Paragraph 0101-0108, (2020/09/15)

A method for synthesizing levomethadone hydrochloride including producing (R)-2-(dimethylamino)propan-1-ol by reducing N,N-dimethyl-D-alanine using borax, forming (R)-1-chloro-N,N-dimethylpropane-2-amine hydrochloride by chlorinating the (R)-2-(dimethylamino)propan-1-ol, synthesizing levomethadone nitrile hydrochloride by mixing the (R)-1-chloro-N,N-dimethylpropane-2-amine and diphenylacetonitrile with potassium t-butoxide and producing levomethadone hydrochloride by exposing the levomethadone nitrile hydrochloride to a Grignard reagent.

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