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104499-05-0

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104499-05-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104499-05-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,9 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 104499-05:
(8*1)+(7*0)+(6*4)+(5*4)+(4*9)+(3*9)+(2*0)+(1*5)=120
120 % 10 = 0
So 104499-05-0 is a valid CAS Registry Number.

104499-05-0Downstream Products

104499-05-0Relevant articles and documents

Generation of triazolopyrimidine N-Ylides and Their Ring Transformation Reactions

Hori, Mikio,Tanaka, Kiyomi,Kataoka, Tadashi,Shimizu, Hiroshi,Imai, Eiji,et al.

, p. 2333 - 2336 (2007/10/02)

Triazolopyrimidine (1) has been alkylated at the N(3)-position by treatment with alkyl halides in refluxing dry acetone.The ylides (3) were generated in situ from the iminium salts (2) and 1 equiv. of triethylamine.Thermolysis of the ylides

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