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683223-12-3

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683223-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 683223-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,2,2 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 683223-12:
(8*6)+(7*8)+(6*3)+(5*2)+(4*2)+(3*3)+(2*1)+(1*2)=153
153 % 10 = 3
So 683223-12-3 is a valid CAS Registry Number.

683223-12-3Downstream Products

683223-12-3Relevant articles and documents

1-acylsemicarbazides by ring opening of iminodiaziridines with carboxylic acids: Novel, expeditious access to the azapeptide motif

Quast, Helmut,Schmitt, Edeltraud,Ross, Karl-Heinz

experimental part, p. 3358 - 3362 (2010/11/16)

Carboxylic acids react rapidly and quantitatively with iminodiaziridines to afford 1,2,4-trisubstituted 1-acylsemicarbazides in a multistep sequence. In this way, a carboxy group is readily converted into an azapeptide motif. Broad signals in high-field H and C NMR spectra recorded for the products are indicative of dynamic processes. Georg Thieme Verlag Stuttgart New York.

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