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91319-84-5

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91319-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91319-84-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,1 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91319-84:
(7*9)+(6*1)+(5*3)+(4*1)+(3*9)+(2*8)+(1*4)=135
135 % 10 = 5
So 91319-84-5 is a valid CAS Registry Number.

91319-84-5Relevant articles and documents

SYNTHESIS OF OPTICALLY ACTIVE 3-MERCAPTOPYRROLIDINE DERIVATIVES. SYNTHETIC INTERMEDIATES OF CARBAPENEM RS-533 AND ITS ISOMER

Shibata, Tomoyuki,Iino, Kimio,Sugimura, Yukio

, p. 1331 - 1346 (2007/10/02)

The optically active 3-mercaptopyrrolidine derivatives(3a, 3b, 4a and 4b), which are synthetic intermediates of the carbapenem RS-533 (2a) and its isomer (2b), were synthesized by convenient and practical methods.

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