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70438-22-1

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70438-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70438-22-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,4,3 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 70438-22:
(7*7)+(6*0)+(5*4)+(4*3)+(3*8)+(2*2)+(1*2)=111
111 % 10 = 1
So 70438-22-1 is a valid CAS Registry Number.

70438-22-1Downstream Products

70438-22-1Relevant articles and documents

Thiophene systems. 3. Synthesis of thieno[3,4-b][1,5]benzoxazepin-10-one and thieno[3,4-b][1,5]benzothiazepin-10-one

Press,Eudy,Safir

, p. 497 - 501 (2007/10/02)

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