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556826-38-1

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556826-38-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 556826-38-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,6,8,2 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 556826-38:
(8*5)+(7*5)+(6*6)+(5*8)+(4*2)+(3*6)+(2*3)+(1*8)=191
191 % 10 = 1
So 556826-38-1 is a valid CAS Registry Number.

556826-38-1Relevant articles and documents

Solid-phase synthesis of positively charged deoxynucleic guanidine (DNG) oligonucleotide mixed sequences

Reddy, Putta Mallikarjuna,Bruice, Thomas C.

, p. 1281 - 1285 (2007/10/03)

Positively charged DNG oligonucleotide mixed sequences containing A/T bases were prepared by solid-phase synthesis. Synthesis proceeds in 3′→5′ direction and involves coupling of 3′-Fmoc protected thiourea in the presence of HgCl2/TEA with the corresponding 5′-amine of the growing oligo chain. DNG binding characteristics with complementary DNA and with itself have been evaluated.

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