32443-99-5 Usage
Description
D-Cysteine hydrochloride is an amino acid derivative with the chemical formula C3H7NO2S·HCl. It is a white solid and is known for its unique properties that make it suitable for various applications across different industries.
Uses
Used in Insecticide Industry:
D-Cysteine hydrochloride is used as an active ingredient in the development of new insecticides, specifically as a mosquito repellent. Its effectiveness in deterring mosquitoes makes it a valuable addition to the insect control market.
Used in Cosmetics and Personal Care Industry:
D-Cysteine hydrochloride is utilized as a key component in the formulation of toilet water, perfumes, emulsions, and aerosols. Its properties contribute to the overall quality, efficacy, and performance of these products, enhancing their appeal to consumers.
Check Digit Verification of cas no
The CAS Registry Mumber 32443-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,4,4 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 32443-99:
(7*3)+(6*2)+(5*4)+(4*4)+(3*3)+(2*9)+(1*9)=105
105 % 10 = 5
So 32443-99-5 is a valid CAS Registry Number.
InChI:InChI=1/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/m1./s1
32443-99-5Relevant articles and documents
Resolution of DL-racemic mixtures
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Page column 8-9, (2008/06/13)
The present invention relates to a process for the resolution of DL-racemic mixtures of compounds which crystalize in the form of a conglumerate. Both, the D and L-enantiomers are obtained according to the invention in a industrially feasable process by adding chiral enantioselective polymers to the supersaturated solution of the racemat to inhibit crystalization of one enantiomer. Next a DL-racemic mixture of said compound is suspended in about twice the amount of the crystallized enantiomer. Consequently, the opposite enantiomer could be recovered by said suspension by physical separation.
Optical resolution of DL-cysteine
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, (2008/06/13)
Disclosed is a method of optical resolution of DL-cysteine utilizing optically active mandelic acid. The method facilitates commercial production of optically active cysteine, particularly L-cysteine which is in great demand.