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1672658-93-3

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1672658-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1672658-93-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,7,2,6,5 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1672658-93:
(9*1)+(8*6)+(7*7)+(6*2)+(5*6)+(4*5)+(3*8)+(2*9)+(1*3)=213
213 % 10 = 3
So 1672658-93-3 is a valid CAS Registry Number.

1672658-93-3Downstream Products

1672658-93-3Relevant articles and documents

Preparation method of SGLT-2 inhibitor and intermediate

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Paragraph 0103-0106, (2021/05/19)

The invention discloses a preparation method of an SGLT-2 inhibitor and an intermediate. The method comprises the following steps: (1) reacting a compound A with chlorosilane under the action of an acid-binding agent to generate a compound B; (2) mixing the compound B and a compound C to obtain a compound D; and (3) reacting the compound D with a reducing agent and a catalyst to obtain the SGLT-2 inhibitor compound.

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