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199171-00-1

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199171-00-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199171-00-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,1,7 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 199171-00:
(8*1)+(7*9)+(6*9)+(5*1)+(4*7)+(3*1)+(2*0)+(1*0)=161
161 % 10 = 1
So 199171-00-1 is a valid CAS Registry Number.

199171-00-1Downstream Products

199171-00-1Relevant articles and documents

v-Triazolines. Part 38. New synthesis of 4-aminoquinazolines and 6-aminopurines

Erba, Emanuela,Sporchia, Daniela

, p. 3021 - 3024 (2007/10/03)

2-Alkyl-4-arylaminoquinazolines 6 have been prepared by condensation of N-(2-cyanophenyl)amidines 5 with arylamines. The amidines 5 were obtained by thermal rearrangement of N-(2-cyanophenyl)-5-morpholino-v-triazolines 4. The synthesis has been applied to the preparation of 2-alkyl-6-arylaminopurines 12.

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