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1021491-72-4

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1021491-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021491-72-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,4,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1021491-72:
(9*1)+(8*0)+(7*2)+(6*1)+(5*4)+(4*9)+(3*1)+(2*7)+(1*2)=104
104 % 10 = 4
So 1021491-72-4 is a valid CAS Registry Number.

1021491-72-4Upstream product

1021491-72-4Downstream Products

1021491-72-4Relevant articles and documents

Lewis base activation of Lewis acids: Catalytic, enantioselective addition of glycolate-derived silyl ketene acetals to aldehydes

Denmark, Scott E.,Chung, Won-Jin

, p. 4582 - 4595 (2008/09/21)

(Chemical Equation Presented) A catalytic system involving silicon tetrachloride and a chiral, Lewis basic bisphosphoramide catalyst is effective for the addition of glycolate-derived silyl ketene acetals to aldehydes. It was found that the sense of diast

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