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1253891-29-0

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1253891-29-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1253891-29-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,8,9 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1253891-29:
(9*1)+(8*2)+(7*5)+(6*3)+(5*8)+(4*9)+(3*1)+(2*2)+(1*9)=170
170 % 10 = 0
So 1253891-29-0 is a valid CAS Registry Number.

1253891-29-0Downstream Products

1253891-29-0Relevant articles and documents

Second generation CaSH (Camphor Sulfonyl Hydrazine) organocatalysis. asymmetric diels-alder reactions and isolation of the catalytic intermediate

Li, Qinghua,Wong, Wai-Yeung,Chan, Wing-Hong,Lee, Albert W. M.

, p. 2142 - 2146 (2010)

In one step, the well known chiral auxiliary, Oppolzer's camphor sultam, is turned into the new generation camphor sulfonyl hydrazine (CaSH II) organocatalyst. With the primary hydrazine functionality external to the tricyclic structure, CaSH II is active

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