Cas 65587-54-4,2',2'-Dibrompropoxycarbonyl-ampicillin-ONa

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Check Digit Verification of cas no

The CAS Registry Mumber 65587-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,5,8 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 65587-54:
(7*6)+(6*5)+(5*5)+(4*8)+(3*7)+(2*5)+(1*4)=164
164 % 10 = 4
So 65587-54-4 is a valid CAS Registry Number.

65587-54-4Upstream product

65587-54-4Downstream Products

69-53-4 ampicillin

65587-54-4Relevant articles and documents

Extremely Selective and Mild Cleavage of β-Haloalkyl Groups by Cobalt(I)phthalocyanine Anion in Semisyntheses of β-Lactam Antibiotics

Eckert, Heiner

, p. 1715 - 1724 (2007/10/02)

Cleavage of β-haloalkyl groups can be performed extremely selectively by cobalt(I)phthalocyanine anion under very mild conditions, qualifying it best in the chemistry of highly sensitive β-lactam antibiotics.This is demonstrated in penicillin and cephalosporin semisyntheses.

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65587-54-4