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92411-47-7

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92411-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92411-47-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,4,1 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 92411-47:
(7*9)+(6*2)+(5*4)+(4*1)+(3*1)+(2*4)+(1*7)=117
117 % 10 = 7
So 92411-47-7 is a valid CAS Registry Number.

92411-47-7Relevant articles and documents

EFFICIENT SYNTHESES OF A NEW PENEM ANTIBIOTIC, SODIUM (5R,6S)-2-(2-FLUOROETHYLTHIO)-6-PENEM-3-CARBOXYLATE

Kawamoto, Isao,Endo, Rokuro,Suzuki, Kosato,Hata, Tadashi

, p. 123 - 128 (2007/10/02)

Two useful routes to sodium (5R,6S)-2-(2-fluoroethylthio)-6-penem-3-carboxylate (1) via trithiocarbonate (3) are reported.An intramolecular Wittig reaction of 6 and an oxalimide cyclization of 9 with phosphite are employed as key steps.

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