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91939-22-9

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91939-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91939-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,3 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91939-22:
(7*9)+(6*1)+(5*9)+(4*3)+(3*9)+(2*2)+(1*2)=159
159 % 10 = 9
So 91939-22-9 is a valid CAS Registry Number.

91939-22-9Downstream Products

91939-22-9Relevant articles and documents

Studies on β-lactam antibiotics. Synthesis and antibacterial activity of novel C-3 alkyne-substituted cephalosporins

Barrett, David,Terasawa, Takeshi,Okuda, Shinya,Kawabata, Kohji,Yasuda, Nobuyoshi,Kamimura, Toshiaki,Sakane, Kazuo,Takaya, Takao

, p. 100 - 102 (2007/10/03)

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