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57981-21-2

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57981-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57981-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,9,8 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 57981-21:
(7*5)+(6*7)+(5*9)+(4*8)+(3*1)+(2*2)+(1*1)=162
162 % 10 = 2
So 57981-21-2 is a valid CAS Registry Number.

57981-21-2Relevant articles and documents

SYNTHESIS AND REACTIONS OF ORGANIC COMPOUNDS CONTAINING NITROGEN ATOM. PART I. SYNTHESIS AND REACTIONS OF 10-AMINO-2-PINENE AND TRANS-3-AMINO-2(10)-PINENE

Wyzlic, Iwona,Uzarewicz, Ireneusz G.,Uzarewicz, Arkadiusz

, p. 113 - 121 (2007/10/02)

The toluenesulfonamidation of (+)-, (-)-2-pinenes and (-)-2(10)-pinene afforded toluenesulfonamides, which were converted by reduction with sodium in liquid ammonia to the corresponding amines: 10-amino-2-pinenes and trans-3-amino-2(10)-pinene.The hydrobo

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