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87875-92-1

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87875-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87875-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,7 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87875-92:
(7*8)+(6*7)+(5*8)+(4*7)+(3*5)+(2*9)+(1*2)=201
201 % 10 = 1
So 87875-92-1 is a valid CAS Registry Number.

87875-92-1Downstream Products

87875-92-1Relevant articles and documents

Conversion of ω-Guanidino- and ω-Ureido-α-amino Acids into α-Keto Acids and Heterocycles Derived Therefrom

Klein, Christian,Schulz, Guenter,Steglich, Wolfgang

, p. 1623 - 1637 (2007/10/02)

Treatment of basic α-amino acids 1 with trifluoroacetic anhydride readily leads to 2-trifluoromethyl-3-oxazolin-5-ones 2, which in turn may be hydrolyzed to yield α-keto acids 4 under mild conditions.Type 4 compounds carrying ω-guanidino or ω-ureido funct

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