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1209778-32-4

1209778-32-4

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1209778-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1209778-32-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,7,7 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1209778-32:
(9*1)+(8*2)+(7*0)+(6*9)+(5*7)+(4*7)+(3*8)+(2*3)+(1*2)=174
174 % 10 = 4
So 1209778-32-4 is a valid CAS Registry Number.

1209778-32-4Relevant articles and documents

"Clicktophycin-52": A bioactive cryptophycin-52 triazole analogue

Nahrwold, Markus,Bogner, Tobias,Eissler, Stefan,Verma, Spart,Sewald, Norbert

supporting information; experimental part, p. 1064 - 1067 (2010/06/15)

(Figure Presented) An endocycllc trans-amide linkage within the macrocyclic antitumor agent cryptophycin-52 was replaced by a 1,4-disubstituted 1H-1,2,3-triazole ring. Macrocyclisation of the trlazole analogue was accomplished by macrolactamizatlon as wel

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