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99876-52-5

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99876-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99876-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,7 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99876-52:
(7*9)+(6*9)+(5*8)+(4*7)+(3*6)+(2*5)+(1*2)=215
215 % 10 = 5
So 99876-52-5 is a valid CAS Registry Number.

99876-52-5Relevant articles and documents

Cycloaddition with Unsaturated Carbohydrates, V. - Stereo-and Regiochemistry of the 1,3-Dipolar Cycloaddition of Benzonitrile Oxide to Hex-1-enopyranoside and Hex-2-enopyranoside-4-ulose

Gnichtel, Horst,Autenrieth-Ansorge, Leonore

, p. 2217 - 2222 (2007/10/02)

By 1,3-dipolar cycloadditon of benzonitrile oxide to ethyl 2,3-dideoxy-α-D-erythro-hex-2-enopyranoside (1) ethyl-2,3-dideoxy-4',5'-dihydro-3'-phenyl-α-D-manno-hexopyranosido-- (2) and -isoxazole (3) are formed in a 2.5:1 ratio.The addition t

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