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67105-33-3

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67105-33-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67105-33-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,0 and 5 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 67105-33:
(7*6)+(6*7)+(5*1)+(4*0)+(3*5)+(2*3)+(1*3)=113
113 % 10 = 3
So 67105-33-3 is a valid CAS Registry Number.

67105-33-3Relevant articles and documents

Selective N-alkylation of primary amines with R-NH2·HBr and alkyl bromides using a competitive deprotonation/protonation strategy

Bhattacharyya, Shubhankar,Pathak, Uma,Mathur, Sweta,Vishnoi, Subodh,Jain, Rajeev

, p. 18229 - 18233 (2014)

Monoalkylation of primary amines using amine hydrobromides and alkyl bromides has been carried out. Under controlled reaction conditions the reactant primary amine was selectively deprotonated and made available for reaction, while the newly generated secondary amine remained protonated, and did not participate in alkylation further. Reaction was carried out under mild reaction conditions and was applicable to a wide range of primary amines and alkyl bromides.

PARAKERATOSIS INHIBITOR, PORE-SHRINKING AGENT OR AGENT FOR PREVENTING/AMELIORATING ROUGH SKIN AND EXTERNAL COMPOSITION FOR SKIN

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Page/Page column 11, (2008/06/13)

The invention provides a parakeratosis inhibitor, pore-shrinking agent, or rough skin preventing/amaliorating agent that has a function such as parakeratosis inhibition, pore shrinkage, or rough skin -inhibition/abatement, poses no safety problems such as

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