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1555636-12-8

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1555636-12-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1555636-12-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,5,6,3 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1555636-12:
(9*1)+(8*5)+(7*5)+(6*5)+(5*6)+(4*3)+(3*6)+(2*1)+(1*2)=178
178 % 10 = 8
So 1555636-12-8 is a valid CAS Registry Number.

1555636-12-8Downstream Products

1555636-12-8Relevant articles and documents

Click chemistry inspired highly facile synthesis of triazolyl ethisterone glycoconjugates

Kumar, Dhananjay,Mishra, Kunj B.,Mishra, Bhuwan B.,Mondal, Saheli,Tiwari, Vinod K.

, p. 71 - 79 (2014/01/17)

Numerous deoxy-azido sugars 3 were prepared by the reaction of tosyl/bromo sugars with NaN3 in dry DMF under heating condition. The 1,3-dipolar cycloaddition of deoxy-azido sugars 3 with ethisterone 4 to afford regioselective triazole-linked ethisterone glycoconjugates 5 was investigated in the presence of CuI and DIPEA in dichloromethane or CuSO4· 5H2O and sodium ascorbate in aqueous medium. All the developed compounds were characterized by spectroscopic analysis (IR, 1H & 13C NMR, and MS spectra). Structure of triazolyl ethisterone glycoconjugate 5a has been further confirmed by its Single Crystal X-ray analysis.

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