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1252039-37-4

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1252039-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1252039-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,0,3 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1252039-37:
(9*1)+(8*2)+(7*5)+(6*2)+(5*0)+(4*3)+(3*9)+(2*3)+(1*7)=124
124 % 10 = 4
So 1252039-37-4 is a valid CAS Registry Number.

1252039-37-4Downstream Products

1252039-37-4Relevant articles and documents

A facile microwave assisted one-pot strategy for the synthesis of Bis-hexahydroquinazolin-5(6H)-ones

Dutta, Milan Ch.,Chanda, Kaushik,Nongkhlaw,Vishwakarma, Jai N.

, p. 281 - 286 (2010)

A facile microwave assisted one-pot synthetic protocol has been devised for the synthesis of 3,3′-(alkanediyl) bis (1-phenyl-1,2,3,4,7,8- hexahydroquinazolin-5(6H)-ones (2a-c), 3,3′-(1,4-phenylene) bis (1-phenyl-1,2,3,4,7,8-hexahydroquinazolin-5(6H)-one (2d),3,3′-(alkanediyl) bis (7,7- dimethyl-1-phenyl-1,2,3,4,7,8-hexahydroquinazolin-5(6H)-ones (2e-g) and 3,3′-(1,4-phenylene) bis(7,7-dimethyl-1-phenyl-1,2,3,4,7,8-hexahydroquinazolin- 5(6H)-one (2h) by the cyclocondensation of cyclic enaminones 1a, b with diamines and formaldehyde.

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