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89967-05-5

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89967-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89967-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,6 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89967-05:
(7*8)+(6*9)+(5*9)+(4*6)+(3*7)+(2*0)+(1*5)=205
205 % 10 = 5
So 89967-05-5 is a valid CAS Registry Number.

89967-05-5Relevant articles and documents

Studies on Pyrimidine Derivatives. XXXIII. Synthesis of Alkyl Pyrimidinyl Ketones by Means of Nitrosation of Alkylpyrimidines

Sakamoto, Takao,Sakasai, Takeji,Yoshizawa, Hiroshi,Tanji, Ken-Ichi,Nishimura, Sumiko,Yamanaka, Hiroshi

, p. 4554 - 4560 (2007/10/02)

The reaction of 4-alkylpyrimidines with propyl nitrite under acidic conditions followed by deoximation of the resulting ketoximes gave alkyl pyrimidinyl ketones in satisfactory yields.As compared with the direct oxidation of the alkylpyrimidines with sele

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