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90505-35-4

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90505-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90505-35-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,0 and 5 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90505-35:
(7*9)+(6*0)+(5*5)+(4*0)+(3*5)+(2*3)+(1*5)=114
114 % 10 = 4
So 90505-35-4 is a valid CAS Registry Number.

90505-35-4Downstream Products

90505-35-4Relevant 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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