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1236283-08-1

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1236283-08-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1236283-08-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,2,8 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1236283-08:
(9*1)+(8*2)+(7*3)+(6*6)+(5*2)+(4*8)+(3*3)+(2*0)+(1*8)=141
141 % 10 = 1
So 1236283-08-1 is a valid CAS Registry Number.

1236283-08-1Relevant articles and documents

Toward Pyrrolo[2,3- d ]pyrimidine scaffolds

El Kaim, Laurent,Grimaud, Laurence,Wagschal, Simon

supporting information; experimental part, p. 5343 - 5346 (2010/10/04)

(Figure presented) Herein, we present a new route to highly substituted pyrrolo[2,3-d]pyrimidines featuring a Ugi-Smiles/Sonogashira cascade followed by an efficient base-catalyzed intramolecular cyclization. When formaldehyde is chosen as input in the Ugi-Smiles step, aromatic fused systems are eventually obtained through the isomerization of an exo-alkylidene intermediate.

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