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29976-78-1

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29976-78-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29976-78-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,9,7 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 29976-78:
(7*2)+(6*9)+(5*9)+(4*7)+(3*6)+(2*7)+(1*8)=181
181 % 10 = 1
So 29976-78-1 is a valid CAS Registry Number.

29976-78-1Relevant articles and documents

Oxidation of 2'Hydroxychalcones

Doshi, A. G.,Soni, P. A.,Ghiya, B. J.

, p. 759 (2007/10/02)

2'-Hydroxychalcones (1a-f) or the isomeric flavanones (IIa-f) on refluxing in DMSO for 30 min in the presence of catalytic amount of iodine afford the corresponding flavones (III) in high yields.This method is quicker and appears to be of general applicability.

Reaction of 2'-Hydroxychalcone Dibromides with Pyridine

Reddy, N. Jagannadha,Bokadia, Mishrimal,Sharma, Tarachand,Donnelly, John A.

, p. 638 - 641 (2007/10/02)

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