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148838-70-4

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148838-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148838-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,3 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 148838-70:
(8*1)+(7*4)+(6*8)+(5*8)+(4*3)+(3*8)+(2*7)+(1*0)=174
174 % 10 = 4
So 148838-70-4 is a valid CAS Registry Number.

148838-70-4Downstream Products

148838-70-4Relevant articles and documents

New thieno compounds. Part 14: Synthesis of 4 amino-substituted thieno[2,3-d]pyrimidine-6-carboxylic acid derivatives

Baumgartner,Pech,Bohm

, p. 192 - 194 (2007/10/02)

The combination of a basic and a carboxylic ester group in the thieno[2,3-d]pyrimidine structure could give interesting biological activities. Starting from the diester of 2-amino-4-methylthiophene-3,5-diacid the ethylesters of 3,4-dihydro-5-methyl-4-oxot

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