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654651-45-3

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654651-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 654651-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,4,6,5 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 654651-45:
(8*6)+(7*5)+(6*4)+(5*6)+(4*5)+(3*1)+(2*4)+(1*5)=173
173 % 10 = 3
So 654651-45-3 is a valid CAS Registry Number.

654651-45-3Downstream Products

654651-45-3Relevant articles and documents

3-Hydroxy-4-oxo-3,4-dihydro-5-azabenzo-1,2,3-triazene

Carpino, Louis A.,Xia, Jusong,El-Faham, Ayman

, p. 54 - 61 (2007/10/03)

The known but long-neglected compound HODhat was shown to be in certain situations a useful peptide coupling additive. Uronium and phosphonium salts with HODhat built into the system were also useful stand-alone coupling reagents. Comparisons with related additives and coupling reagents showed that the new systems were sometimes more and sometimes less effective than previously described systems in the case of stepwise and segment couplings. Applications to assembly of the model decapeptide ACP showed that HDATU was far more effective than HDTU and more effective than HATU under some conditions.

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