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128488-31-3

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128488-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128488-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,8 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128488-31:
(8*1)+(7*2)+(6*8)+(5*4)+(4*8)+(3*8)+(2*3)+(1*1)=153
153 % 10 = 3
So 128488-31-3 is a valid CAS Registry Number.

128488-31-3Downstream Products

128488-31-3Relevant articles and documents

SYNTHESIS OF 2-SUBSTITUTED DERIVATIVES OF DILTIAZEM

Morimoto, Masamichi,Kohno, Harumichi,Yasuda, Kosuke,Date, Tadamasa,Takamura, Norio,Sugasawa, Shigehiko

, p. 471 - 486 (2007/10/02)

Titled compounds, 2a,b,c,d and e, were efficiently synthesized from 3-acetoxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one (4) through alkylation at the C2- position followed by stereoselective reduction of the C3- carbonyl group.

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